Proof
| Proposition | Derivation |
|---|---|
| Given | |
| Material implication | |
| Commutavity | |
| Material implication |
Read more about this topic: Transposition (logic)
Famous quotes containing the word proof:
“O, popular applause! what heart of man
Is proof against thy sweet, seducing charms?”
—William Cowper (1731–1800)
“The fact that several men were able to become infatuated with that latrine is truly the proof of the decline of the men of this century.”
—Charles Baudelaire (1821–1867)
“There is no better proof of a man’s being truly good than his desiring to be constantly under the observation of good men.”
—François, Duc De La Rochefoucauld (1613–1680)