Geo/trig laws

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7 Terms

1
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p —>q

Therfore q

law of detachment

2
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p—→q

Therefore not p —→ not q

law of contrapositive

3
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p—→q

not q

therefore not p

law of modus tollens

4
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p—→q

q—→r

therefore p —→r

Chain rule

5
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p V q

not q

therefore p

Law of disjunctive inference

6
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not (p V q) ←—> not p ^ not q

Demorgan’s Law

7
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P ^ q

therefore p therefore q

Law of Simplification