Proof
| Proposition | Derivation |
|---|---|
| Given | |
| Given | |
| Given | |
| Material implication | |
| Hypothetical syllogism | |
| Conjunction | |
| Law of Excluded Middle | |
| Constructive dilemma | |
| Tautology |
Read more about this topic: Disjunction Elimination
Famous quotes containing the word proof:
“In the reproof of chance
Lies the true proof of men.”
—William Shakespeare (1564–1616)
“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.”
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