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Affirming the Consequent

This video presents the same text shown beside it, spoken and on screen. It adds nothing the text does not say.

State

If p then q; q; therefore p. Invalid — always.

Show

If it rained, the street's wet. The street's wet. "So it rained" — or a hydrant burst.

Watch for

This is MP's evil twin, and it feels valid. Most real-world diagnostic errors are this form in a lab coat.

Builds on

Unlocks

  • Nothing yet depends on this.