2442603
Description
Flashcards by wannabeCoastie, updated more than 1 year ago
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Created by wannabeCoastie
over 10 years ago
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| Question | Answer |
| Argument | sequences of statements that end with a conclusion |
| Valid | final of the argument,must follow from the truth from the proceeding statements |
| Modus ponens | (p∧(p → q))→ q |
| Modus tollens | (¬q ∧(p → q))→¬p |
| Hypothetical syllogism | ((p → q)∧(q → r))→ (p → r) |
| Disjunctive syllogism | ((p∨q)∧¬p)→ q |
| Addition | p → (p∨q) |
| Simplification | (p∧q)→ p |
| Conjunction | ((p)∧(q)) → (p∧q) |
| Conjunction | ((p)∧(q)) → (p∧q) |
| Resolution | ((p∨q)∧(¬p∨r))→ (q ∨r) |
| What is the rule of inference with the sentence? "it is below freezing now. Therefore, it is either below freezing or raining now." | This is an argument that uses the addition rule p->(p v q) |
| State the rule of inference "It is below freezing and raining now. Therefore, it is below freezing now" | Simplification rule |
| State rule of reference "If it rain today, then we will not have a barbecue today. If we do not have a barbecue today then we will have a barbecue tomorrow. Therefore, if it rains today, then we will have a barbecue tomorrow. | hypothetical syllogism |
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