# Tag Info

## New answers tagged logic

2 votes

Further to what has been said: These sentences in a proof are equivalent: Let $P_n$ be a polygon of $n$ vertices; then $\psi(P_n).$ Let $P_n$ be an arbitrary polygon of $n$ vertices; then $\psi(P_n)... • 1,301 0 votes ### Teaching "if...then" and "the following are equivalent" What do you say to the following way of teaching "if...then"? An implication$(A {\implies} B)$can be viewed as asserting that$B$is at least as true as$A.\$ This alludes to the meaning ...
• 1,301

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