Proof
| Proposition | Derivation |
|---|---|
| Given | |
| Given | |
| Material implication | |
| Modus ponens |
| Proposition | Derivation |
|---|---|
| Given | |
| Given | |
| Material implication | |
| Transposition | |
| Modus ponens |
Read more about this topic: Disjunctive Syllogism
Famous quotes containing the word proof:
“The proof of a poet is that his country absorbs him as affectionately as he has absorbed it.”
—Walt Whitman (18191892)
“In the reproof of chance
Lies the true proof of men.”
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“a meek humble Man of modest sense,
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Whose pious lifes a proof he does believe,
Mysterious truths, which no Man can conceive.”
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