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docs/training/corpus/Layer_2--Uncertainty/CORPUS-0001-stale-price-report.chunked.md

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+# CORPUS-0001
+## Stale Price Report
+### Status: Training Corpus Seed
+### Layer: Layer_2--Uncertainty
+### Purpose: Teach that a report may be true when spoken but unreliable when acted upon because time has passed
+### Repository Path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0001-stale-price-report.md
+
+---
+
+<!-- chunk:
+id: CORPUS-0001::01::evidence_structure
+source_file: CORPUS-0001-stale-price-report.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0001-stale-price-report.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0001
+document_title: Stale Price Report
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: evidence_structure
+concept_tags:
+- stale
+- price
+- report
+- evidence_structure
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil sold for a high price in Capua.
+
+The report may be accurate.
+
+But the report is three days old.
+
+The trader must decide whether the old price still helps him.
+
+A true report can become dangerous when stale.
+
+---
+
+## 1. Report Received
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+The trader asks when the muleteer left Capua.
+
+The answer:
+
+> Three days ago.
+
+The reported price may have been real then.
+
+It may not be real now.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Origin | Ostia |
+| Destination | Capua |
+| Good | oil |
+| Reported Capua sale price | 22 asses |
+| Report age | 3 days |
+| Current Capua price | unknown |
+| Travel time from Ostia to Capua | not yet resolved |
+| Rival shipments | unknown |
+
+---
+
+## 3. Why Staleness Matters
+
+During three days:
+
+- a rival shipment may have arrived
+- the urgent buyer may have already purchased
+- local supply may have changed
+- rumor may have spread
+- sellers may have raised prices at origin
+- transport space may have been reserved
+- the buyer's need may have disappeared
+
+The report can be true and still no longer useful.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0001::02::truth_variants
+source_file: CORPUS-0001-stale-price-report.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0001-stale-price-report.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0001
+document_title: Stale Price Report
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: truth_variants
+concept_tags:
+- stale
+- price
+- report
+- truth_variants
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil sold for a high price in Capua.
+
+The report may be accurate.
+
+But the report is three days old.
+
+The trader must decide whether the old price still helps him.
+
+A true report can become dangerous when stale.
+
+---
+
+## 1. Report Received
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+The trader asks when the muleteer left Capua.
+
+The answer:
+
+> Three days ago.
+
+The reported price may have been real then.
+
+It may not be real now.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Origin | Ostia |
+| Destination | Capua |
+| Good | oil |
+| Reported Capua sale price | 22 asses |
+| Report age | 3 days |
+| Current Capua price | unknown |
+| Travel time from Ostia to Capua | not yet resolved |
+| Rival shipments | unknown |
+
+---
+
+## 4. Possible Outcomes
+
+### Outcome A — Report Still Useful
+
+The price remains high.
+
+```text
+reported price = 22 asses
+actual sale price = 22 asses
+```
+
+The trader benefits from acting on the report.
+
+### Outcome B — Report Partly Stale
+
+Some demand remains, but the best buyer is gone.
+
+```text
+reported price = 22 asses
+actual sale price = 18 asses
+```
+
+The venture may still work, but margin narrows.
+
+### Outcome C — Report Fully Stale
+
+A rival shipment arrived first.
+
+```text
+reported price = 22 asses
+actual sale price = 14 asses
+```
+
+The report was true when spoken, but harmful when acted upon as current.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0001::03::uncertainty_behavior
+source_file: CORPUS-0001-stale-price-report.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0001-stale-price-report.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0001
+document_title: Stale Price Report
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: uncertainty_behavior
+concept_tags:
+- stale
+- price
+- report
+- uncertainty_behavior
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- inferred
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil sold for a high price in Capua.
+
+The report may be accurate.
+
+But the report is three days old.
+
+The trader must decide whether the old price still helps him.
+
+A true report can become dangerous when stale.
+
+---
+
+## 1. Report Received
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+The trader asks when the muleteer left Capua.
+
+The answer:
+
+> Three days ago.
+
+The reported price may have been real then.
+
+It may not be real now.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Origin | Ostia |
+| Destination | Capua |
+| Good | oil |
+| Reported Capua sale price | 22 asses |
+| Report age | 3 days |
+| Current Capua price | unknown |
+| Travel time from Ostia to Capua | not yet resolved |
+| Rival shipments | unknown |
+
+---
+
+## 5. Correct Model Behavior
+
+The model should separate:
+
+| Category | Meaning |
+|---|---|
+| report_content | what was claimed |
+| report_age | how old the report is |
+| report_truth_at_origin | whether it was true when observed |
+| current_truth | whether it remains true now |
+| action_delay | time before the trader can act |
+| price_decay_risk | chance that the reported price no longer holds |
+
+A report is not only true or false.
+
+It is also fresh or stale.
+
+---
+
+## 6. Incorrect Model Behavior
+
+The model should not:
+
+- treat a true old report as current certainty
+- ignore report age
+- ignore travel time after receiving the report
+- assume demand remains unchanged
+- assume no rival acted during the delay
+- treat stale information as useless in all cases
+- collapse freshness and truth into one value
+
+---
+
+## 7. Decision Questions
+
+The trader must ask:
+
+- who gave the report?
+- when did they leave Capua?
+- did they witness a sale or repeat talk?
+- how fast can I act?
+- who else has heard the same report?
+- how quickly can the price change?
+- is the reported price tied to one buyer or general demand?
+- what happens if the price falls before arrival?
+
+---
+
+## 8. Layer-0 And Layer-1 Concepts Used
+
+This example uses:
+
+- `Layer_0/CORPUS-0002-goods-have-local-prices`
+- `Layer_0/CORPUS-0006-delay-is-economic-cost`
+- `Layer_0/CORPUS-0007-information-arrives-unevenly`
+- `Layer_0/CORPUS-0008-rumor-is-uncertain-information`
+- `Layer_0/CORPUS-0012-every-venture-risks-loss`
+- `Layer_1/CORPUS-0005-rumor-before-confirmed-price`
+- `Layer_1/CORPUS-0007-rival-buys-the-cart-space`
+
+---
+
+## 9. Success Condition
+
+If the model can recognize that a report may be true, useful, stale, or dangerous depending on age and action delay, this file is functioning correctly.
+
+<!-- /chunk -->
+
+---

docs/training/corpus/Layer_2--Uncertainty/CORPUS-0002-conflicting-reports.chunked.md

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+# CORPUS-0002
+## Conflicting Reports
+### Status: Training Corpus Seed
+### Layer: Layer_2--Uncertainty
+### Purpose: Teach that two reports about the same market can disagree, and that disagreement must be evaluated rather than averaged blindly
+### Repository Path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0002-conflicting-reports.md
+
+---
+
+<!-- chunk:
+id: CORPUS-0002::01::evidence_structure
+source_file: CORPUS-0002-conflicting-reports.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0002-conflicting-reports.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0002
+document_title: Conflicting Reports
+section_heading: 0. Scenario + 1. Reports Received + Report A ...
+chunk_role: evidence_structure
+concept_tags:
+- conflicting
+- reports
+- evidence_structure
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears two different reports about the price of oil in Capua.
+
+One report says the price is high.
+
+Another report says the price has already fallen.
+
+Both reports may contain some truth.
+
+The trader must compare source, age, motive, and evidence before acting.
+
+---
+
+## 1. Reports Received
+
+### Report A
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+Report age: three days.
+
+### Report B
+
+A warehouse clerk says:
+
+> Buyers in Capua are no longer paying more than 16 asses.
+
+Report age: one day.
+
+The reports conflict.
+
+The model must not simply choose the higher number because it creates profit, or the lower number because it seems safer.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Origin | Ostia |
+| Destination | Capua |
+| Good | oil |
+| Report A price | 22 asses |
+| Report A age | 3 days |
+| Report A source | muleteer |
+| Report B price | 16 asses |
+| Report B age | 1 day |
+| Report B source | warehouse clerk |
+| Current true price | unknown |
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0002::02::truth_variants
+source_file: CORPUS-0002-conflicting-reports.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0002-conflicting-reports.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0002
+document_title: Conflicting Reports
+section_heading: 0. Scenario + 1. Reports Received + Report A ...
+chunk_role: truth_variants
+concept_tags:
+- conflicting
+- reports
+- truth_variants
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears two different reports about the price of oil in Capua.
+
+One report says the price is high.
+
+Another report says the price has already fallen.
+
+Both reports may contain some truth.
+
+The trader must compare source, age, motive, and evidence before acting.
+
+---
+
+## 1. Reports Received
+
+### Report A
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+Report age: three days.
+
+## 3. Possible Explanations
+
+The reports may conflict because:
+
+- Report A is true but stale
+- Report B is newer and more accurate
+- Report A was an exceptional sale to one urgent buyer
+- Report B reflects lower-quality oil
+- one source repeated hearsay
+- one source has reason to influence the trader
+- both reports are true for different buyers
+- price changed between the two reports
+
+Conflict does not mean one report is worthless.
+
+It means the trader must identify what each report actually describes.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0002::03::uncertainty_behavior
+source_file: CORPUS-0002-conflicting-reports.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0002-conflicting-reports.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0002
+document_title: Conflicting Reports
+section_heading: 0. Scenario + 1. Reports Received + Report A ...
+chunk_role: uncertainty_behavior
+concept_tags:
+- conflicting
+- reports
+- uncertainty_behavior
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- inferred
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears two different reports about the price of oil in Capua.
+
+One report says the price is high.
+
+Another report says the price has already fallen.
+
+Both reports may contain some truth.
+
+The trader must compare source, age, motive, and evidence before acting.
+
+---
+
+## 1. Reports Received
+
+### Report A
+
+A muleteer says:
+
+> Oil sold in Capua for 22 asses.
+
+Report age: three days.
+
+## 4. Incorrect Model Behavior
+
+The model should not:
+
+- average the prices without reason
+- choose the report that makes the venture profitable
+- choose the newest report automatically
+- ignore source motive
+- ignore quality differences
+- assume all buyers in Capua pay one price
+- collapse conflicting reports into simple truth/falsehood
+
+---
+
+## 5. Correct Model Behavior
+
+The model should evaluate:
+
+| Question | Why It Matters |
+|---|---|
+| Which report is newer? | newer information may reflect current conditions |
+| Which source observed directly? | witnessed sale is stronger than repeated talk |
+| Which source has motive? | self-interest may distort report |
+| What quality of oil was priced? | different quality may explain different prices |
+| Was the price general or exceptional? | one urgent buyer does not define the whole market |
+| Has supply changed? | new shipment may lower price |
+| Who else has heard the report? | shared knowledge changes opportunity |
+
+---
+
+## 6. Decision Example
+
+The trader calculates expected cost at 16 asses.
+
+If Report A is current:
+
+```text
+sale value = 22 asses
+total cost = 16 asses
+result = 6 asses profit
+```
+
+If Report B is current:
+
+```text
+sale value = 16 asses
+total cost = 16 asses
+result = 0 profit
+```
+
+If the true price has fallen below both reports:
+
+```text
+sale value = 14 asses
+total cost = 16 asses
+result = 2 asses loss
+```
+
+The decision depends on confidence, not arithmetic alone.
+
+Arithmetic resolves the final result after the true sale price is known.
+
+---
+
+## 7. Useful Action Under Conflict
+
+The trader may:
+
+- seek a third report
+- send a runner
+- reduce cargo size
+- negotiate a lower purchase price
+- reserve cart space conditionally
+- wait and risk losing opportunity
+- act quickly and accept information risk
+
+Conflicting reports do not require paralysis.
+
+They require adjusted commitment.
+
+---
+
+## 8. Layer-0 And Layer-1 Concepts Used
+
+This example uses:
+
+- `Layer_0/CORPUS-0002-goods-have-local-prices`
+- `Layer_0/CORPUS-0007-information-arrives-unevenly`
+- `Layer_0/CORPUS-0008-rumor-is-uncertain-information`
+- `Layer_0/CORPUS-0012-every-venture-risks-loss`
+- `Layer_1/CORPUS-0003-arithmetic-resolves-the-venture`
+- `Layer_1/CORPUS-0005-rumor-before-confirmed-price`
+- `Layer_2/CORPUS-0001-stale-price-report`
+
+---
+
+## 9. Success Condition
+
+If the model sees two conflicting reports and evaluates source, age, motive, quality, and scope before deciding how much confidence to place in either, this file is functioning correctly.
+
+<!-- /chunk -->
+
+---

docs/training/corpus/Layer_2--Uncertainty/CORPUS-0003-visible-signal-vs-spoken-claim.chunked.md

@@ -0,0 +1,245 @@
+# CORPUS-0003
+## Visible Signal Versus Spoken Claim
+### Status: Training Corpus Seed
+### Layer: Layer_2--Uncertainty
+### Purpose: Teach that observed signals and spoken claims are different evidence types, and that each must be evaluated by source, timing, and interpretation
+### Repository Path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0003-visible-signal-vs-spoken-claim.md
+
+---
+
+<!-- chunk:
+id: CORPUS-0003::01::evidence_structure
+source_file: CORPUS-0003-visible-signal-vs-spoken-claim.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0003-visible-signal-vs-spoken-claim.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0003
+document_title: Visible Signal Versus Spoken Claim
+section_heading: 0. Scenario + 1. Evidence Received + Spoken Claim ...
+chunk_role: evidence_structure
+concept_tags:
+- visible
+- signal
+- spoken
+- claim
+- evidence_structure
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that a warehouse has run out of oil.
+
+At the same time, he sees carts leaving the warehouse loaded and sealed.
+
+The spoken claim and the visible signal do not match cleanly.
+
+The trader must decide whether the claim, the visible signal, or some third explanation is most useful.
+
+---
+
+## 1. Evidence Received
+
+### Spoken Claim
+
+A porter says:
+
+> The warehouse is empty of oil.
+
+### Visible Signal
+
+The trader sees:
+
+- three carts leaving the warehouse
+- sealed jars loaded under guard
+- the warehouse doors partly closed
+- clerks arguing near the entrance
+
+The claim says shortage.
+
+The signal may suggest movement, concealment, restricted access, prior sale, inspection, or reserved stock.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Location | Ostia |
+| Good | oil |
+| Spoken claim | warehouse empty |
+| Visible signal | carts leaving with sealed jars |
+| Source of claim | porter |
+| True warehouse state | unknown |
+| Destination of carts | unknown |
+| Ownership of loaded goods | unknown |
+
+---
+
+## 3. Why Signals Matter
+
+Visible signals may be stronger than casual speech, but they are not self-explaining.
+
+A cart leaving a warehouse may mean:
+
+- goods are available
+- goods are already sold
+- goods are being hidden
+- goods are being moved under contract
+- goods are being removed after inspection
+- goods are being transferred to another owner
+- goods are not oil at all
+
+Observation reduces uncertainty only when interpreted carefully.
+
+---
+
+## 4. Why Speech Still Matters
+
+A spoken claim may be wrong, but it may contain context the eye cannot see.
+
+The porter may know:
+
+- which jars were oil
+- who ordered the movement
+- whether the remaining stock is spoken for
+- whether the warehouse is closed to ordinary buyers
+- whether the carts are moving damaged goods
+- whether the clerk is lying
+
+Speech can explain a signal.
+
+But speech may also distort it.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0003::02::uncertainty_behavior
+source_file: CORPUS-0003-visible-signal-vs-spoken-claim.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0003-visible-signal-vs-spoken-claim.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0003
+document_title: Visible Signal Versus Spoken Claim
+section_heading: 0. Scenario + 1. Evidence Received + Spoken Claim ...
+chunk_role: uncertainty_behavior
+concept_tags:
+- visible
+- signal
+- spoken
+- claim
+- uncertainty_behavior
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- inferred
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that a warehouse has run out of oil.
+
+At the same time, he sees carts leaving the warehouse loaded and sealed.
+
+The spoken claim and the visible signal do not match cleanly.
+
+The trader must decide whether the claim, the visible signal, or some third explanation is most useful.
+
+---
+
+## 1. Evidence Received
+
+### Spoken Claim
+
+A porter says:
+
+> The warehouse is empty of oil.
+
+## 5. Incorrect Model Behavior
+
+The model should not:
+
+- treat visible evidence as automatically complete
+- treat spoken claims as automatically false
+- ignore who made the claim
+- ignore what the visible signal actually proves
+- assume carts leaving means stock is available
+- assume a warehouse is empty because one porter said so
+- collapse observation and interpretation into one fact
+
+---
+
+## 6. Correct Model Behavior
+
+The model should separate:
+
+| Category | Meaning |
+|---|---|
+| observed signal | what was directly seen |
+| spoken claim | what someone said |
+| inferred meaning | what the actor thinks it means |
+| confidence level | how reliable the interpretation is |
+| missing fact | what remains unknown |
+
+Example:
+
+```text
+observed_signal: three sealed carts left warehouse
+spoken_claim: warehouse empty of oil
+inference_options: sold_out | reserved_stock | hidden_transfer | false_claim
+confidence: unresolved
+```
+
+---
+
+## 7. Decision Example
+
+The trader must decide whether to act.
+
+Possible actions:
+
+- ask a second source
+- follow the carts
+- ask who owns the jars
+- check another warehouse price
+- delay purchase until confirmed
+- buy remaining oil elsewhere before others react
+- avoid acting until the signal is clearer
+
+The visible signal matters because it may reveal action before official explanation.
+
+The spoken claim matters because it may reveal interpretation before visible proof.
+
+---
+
+## 8. Layer-0 And Layer-1 Concepts Used
+
+This example uses:
+
+- `Layer_0/CORPUS-0007-information-arrives-unevenly`
+- `Layer_0/CORPUS-0008-rumor-is-uncertain-information`
+- `Layer_0/CORPUS-0012-every-venture-risks-loss`
+- `Layer_0/CORPUS-0020-posture-changes-by-audience`
+- `Layer_1/CORPUS-0005-rumor-before-confirmed-price`
+- `Layer_2/CORPUS-0002-conflicting-reports`
+
+---
+
+## 9. Success Condition
+
+If the model can distinguish what was directly observed from what was claimed, and can avoid treating either as complete truth without interpretation, this file is functioning correctly.
+
+<!-- /chunk -->
+
+---

docs/training/corpus/Layer_2--Uncertainty/CORPUS-0004-source-motive-changes-confidence.chunked.md

@@ -0,0 +1,339 @@
+# CORPUS-0004
+## Source Motive Changes Confidence
+### Status: Training Corpus Seed
+### Layer: Layer_2--Uncertainty
+### Purpose: Teach that the reliability of a report depends partly on what the source may gain or avoid by shaping the report
+### Repository Path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0004-source-motive-changes-confidence.md
+
+---
+
+<!-- chunk:
+id: CORPUS-0004::01::evidence_structure
+source_file: CORPUS-0004-source-motive-changes-confidence.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0004-source-motive-changes-confidence.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0004
+document_title: Source Motive Changes Confidence
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: evidence_structure
+concept_tags:
+- source
+- motive
+- changes
+- confidence
+- evidence_structure
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil prices in Capua are rising.
+
+The report comes from a cart owner who has empty space heading toward Capua.
+
+The report may be true.
+
+But the source benefits if the trader believes it and hires the cart.
+
+The trader must evaluate the report and the source's motive separately.
+
+---
+
+## 1. Report Received
+
+A cart owner says:
+
+> Oil is selling high in Capua. If you have stock, send it now.
+
+The same cart owner then adds:
+
+> I have space leaving today.
+
+This does not prove the report is false.
+
+It does mean the source has a reason to make the opportunity sound urgent.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Location of trader | Ostia |
+| Destination discussed | Capua |
+| Good | oil |
+| Reported condition | Capua price rising |
+| Source | cart owner |
+| Source benefit if believed | cart space sold |
+| Current true Capua price | unknown |
+
+---
+
+## 3. Why Motive Matters
+
+A source may shape a report because he wants:
+
+- cart space sold
+- goods bought
+- goods avoided
+- a rival delayed
+- a buyer reassured
+- a creditor calmed
+- a price raised or lowered
+- attention moved away from another fact
+
+Motive does not equal falsehood.
+
+Motive changes confidence.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0004::02::truth_variants
+source_file: CORPUS-0004-source-motive-changes-confidence.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0004-source-motive-changes-confidence.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0004
+document_title: Source Motive Changes Confidence
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: truth_variants
+concept_tags:
+- source
+- motive
+- changes
+- confidence
+- truth_variants
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- hidden_true_state
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil prices in Capua are rising.
+
+The report comes from a cart owner who has empty space heading toward Capua.
+
+The report may be true.
+
+But the source benefits if the trader believes it and hires the cart.
+
+The trader must evaluate the report and the source's motive separately.
+
+---
+
+## 1. Report Received
+
+A cart owner says:
+
+> Oil is selling high in Capua. If you have stock, send it now.
+
+The same cart owner then adds:
+
+> I have space leaving today.
+
+This does not prove the report is false.
+
+It does mean the source has a reason to make the opportunity sound urgent.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Location of trader | Ostia |
+| Destination discussed | Capua |
+| Good | oil |
+| Reported condition | Capua price rising |
+| Source | cart owner |
+| Source benefit if believed | cart space sold |
+| Current true Capua price | unknown |
+
+---
+
+## 4. Possible Interpretations
+
+### Interpretation A — Report True
+
+Oil really is selling high in Capua.
+
+The cart owner is both informed and self-interested.
+
+### Interpretation B — Report Exaggerated
+
+Oil sells somewhat higher, but not enough to justify urgency.
+
+The cart owner amplifies the price to fill space.
+
+### Interpretation C — Report Stale
+
+The cart owner heard old news and repeats it because it helps him.
+
+### Interpretation D — Report False
+
+The cart owner invents or distorts the claim to sell transport.
+
+The trader must not assume which interpretation is correct without more evidence.
+
+---
+
+<!-- /chunk -->
+
+---
+
+<!-- chunk:
+id: CORPUS-0004::03::uncertainty_behavior
+source_file: CORPUS-0004-source-motive-changes-confidence.md
+repository_path: docs/training/corpus/Layer_2--Uncertainty/CORPUS-0004-source-motive-changes-confidence.md
+domain: commerce
+layer: Layer_2--Uncertainty
+document_id: CORPUS-0004
+document_title: Source Motive Changes Confidence
+section_heading: 0. Scenario + 1. Report Received + 2. Known Facts ...
+chunk_role: uncertainty_behavior
+concept_tags:
+- source
+- motive
+- changes
+- confidence
+- uncertainty_behavior
+- uncertainty
+knowledge_state:
+- reported
+- known_state
+- inferred
+actors: []
+-->
+
+## 0. Scenario
+
+A trader in Ostia hears that oil prices in Capua are rising.
+
+The report comes from a cart owner who has empty space heading toward Capua.
+
+The report may be true.
+
+But the source benefits if the trader believes it and hires the cart.
+
+The trader must evaluate the report and the source's motive separately.
+
+---
+
+## 1. Report Received
+
+A cart owner says:
+
+> Oil is selling high in Capua. If you have stock, send it now.
+
+The same cart owner then adds:
+
+> I have space leaving today.
+
+This does not prove the report is false.
+
+It does mean the source has a reason to make the opportunity sound urgent.
+
+---
+
+## 2. Known Facts
+
+| Fact | Value |
+|---|---|
+| Location of trader | Ostia |
+| Destination discussed | Capua |
+| Good | oil |
+| Reported condition | Capua price rising |
+| Source | cart owner |
+| Source benefit if believed | cart space sold |
+| Current true Capua price | unknown |
+
+---
+
+## 5. Correct Model Behavior
+
+The model should separate:
+
+| Category | Meaning |
+|---|---|
+| claim_content | what the source says |
+| source_identity | who says it |
+| source_motive | what the source may gain |
+| source_access | whether the source could plausibly know |
+| report_age | how old the information may be |
+| confidence_adjustment | how motive changes reliability |
+| action_decision | whether to act, verify, reduce exposure, or decline |
+
+A motivated source can still provide useful information.
+
+The confidence should be adjusted, not automatically set to zero.
+
+---
+
+## 6. Incorrect Model Behavior
+
+The model should not:
+
+- accept a report at face value because it is useful
+- reject every motivated report as false
+- ignore who benefits if the actor believes the report
+- confuse motive with proof of deception
+- ignore whether the source could plausibly know
+- treat all sources as equally reliable
+- calculate final profit from a motivated report alone
+
+---
+
+## 7. Decision Options
+
+The trader may:
+
+- ask a second source
+- negotiate lower cart terms
+- send a smaller cargo
+- reserve cart space conditionally
+- ask when the source heard the report
+- compare other transport prices
+- act quickly while accepting source-risk
+- decline and wait for better confirmation
+
+The best action depends on margin, urgency, and confidence.
+
+---
+
+## 8. Layer-0 And Layer-1 Concepts Used
+
+This example uses:
+
+- `Layer_0/CORPUS-0007-information-arrives-unevenly`
+- `Layer_0/CORPUS-0008-rumor-is-uncertain-information`
+- `Layer_0/CORPUS-0012-every-venture-risks-loss`
+- `Layer_0/CORPUS-0018-rivalry-changes-conditions`
+- `Layer_0/CORPUS-0020-posture-changes-by-audience`
+- `Layer_1/CORPUS-0005-rumor-before-confirmed-price`
+- `Layer_2/CORPUS-0001-stale-price-report`
+- `Layer_2/CORPUS-0002-conflicting-reports`
+
+---
+
+## 9. Success Condition
+
+If the model sees a report and asks not only what was said, but who benefits if it is believed, this file is functioning correctly.
+
+<!-- /chunk -->
+
+---