Proof
| Proposition | Derivation |
|---|---|
| Given | |
| Given | |
| Material implication | |
| Transposition | |
| Hypothetical syllogism | |
| Simplification | |
| Hypothetical syllogism | |
| Material implication |
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Read more about this topic: Destructive Dilemma
Famous quotes containing the word proof:
“Talk shows are proof that conversation is dead.”
—Mason Cooley (b. 1927)
“a meek humble Man of modest sense,
Who preaching peace does practice continence;
Whose pious lifes a proof he does believe,
Mysterious truths, which no Man can conceive.”
—John Wilmot, 2d Earl Of Rochester (16471680)
“There is no better proof of a mans being truly good than his desiring to be constantly under the observation of good men.”
—François, Duc De La Rochefoucauld (16131680)