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:
“O, popular applause! what heart of man
Is proof against thy sweet, seducing charms?”
—William Cowper (17311800)
“If any doubt has arisen as to me, my country [Virginia] will have my political creed in the form of a Declaration &c. which I was lately directed to draw. This will give decisive proof that my own sentiment concurred with the vote they instructed us to give.”
—Thomas Jefferson (17431826)
“When children feel good about themselves, its like a snowball rolling downhill. They are continually able to recognize and integrate new proof of their value as they grow and mature.”
—Stephanie Martson (20th century)