Quick Reader Guide: Proof of "the excluded middle" (i.e.A v not-A) by use of classical contradiction. JAPE examples of how to use both predicate and propositional proof rules.

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The giant baby got some atheists commenting after my response to his burden of proof shifting video, so now he's crying about ... JAPE examples of how to use both predicate and propositional proof rules. JAPE examples of the proof rule for existential introduction; this is how we use a formula that refers to a specific variable to deduce ...

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JAPE examples of the proof rule for existential introduction; this is how we use a formula that refers to a specific variable to deduce ... Proof of "the excluded middle" (i.e.A v not-A) by use of classical contradiction.

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  • The giant baby got some atheists commenting after my response to his burden of proof shifting video, so now he's crying about ...
  • JAPE examples of the proof rule for existential introduction; this is how we use a formula that refers to a specific variable to deduce ...
  • Proof of "the excluded middle" (i.e.A v not-A) by use of classical contradiction.
  • JAPE examples of how to use both predicate and propositional proof rules.

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Visual References

Logic09bProofByContradiction
clasicalcontra.mov
Propositional Logic: Proofs: Rules for Conditional
He responded. Turns out we atheists are dumb trolls.
Is Math a Story? A Constructivist Perspective and Captain Ahab's Dilemma | aboutlogic: premises #01
Box proofs 2 (Contradictions)
Logic43bPredicatePropositionalMixed
Logic38bExistentialIntroduction
Logic10bContradictionStrategy
Logic12bLawOfExcludedMiddle
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Open Guide
Logic09bProofByContradiction

Logic09bProofByContradiction

JAPE for Proof By Contradiction, or PBC. Part of a series of lectures:

clasicalcontra.mov

clasicalcontra.mov

Proof of "the excluded middle" (i.e.A v not-A) by use of classical contradiction.

Propositional Logic: Proofs: Rules for Conditional

Propositional Logic: Proofs: Rules for Conditional

Read more details and related context about Propositional Logic: Proofs: Rules for Conditional.

He responded. Turns out we atheists are dumb trolls.

He responded. Turns out we atheists are dumb trolls.

The giant baby got some atheists commenting after my response to his burden of proof shifting video, so now he's crying about ...

Is Math a Story? A Constructivist Perspective and Captain Ahab's Dilemma | aboutlogic: premises #01

Is Math a Story? A Constructivist Perspective and Captain Ahab's Dilemma | aboutlogic: premises #01

Your support helps us keep these conversations going! If you'd like to contribute, you can buy us a coffee here: ...

Box proofs 2 (Contradictions)

Box proofs 2 (Contradictions)

Read more details and related context about Box proofs 2 (Contradictions).

Logic43bPredicatePropositionalMixed

Logic43bPredicatePropositionalMixed

JAPE examples of how to use both predicate and propositional proof rules. Part of a series of lectures: ...

Logic38bExistentialIntroduction

Logic38bExistentialIntroduction

JAPE examples of the proof rule for existential introduction; this is how we use a formula that refers to a specific variable to deduce ...

Logic10bContradictionStrategy

Logic10bContradictionStrategy

JAPE example of strategies for proof using contradiction. Part of a series of lectures: ...

Logic12bLawOfExcludedMiddle

Logic12bLawOfExcludedMiddle

JAPE examples of the proof rule for the Law of Excluded Middle (LEM). Part of a series of lectures: ...