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logic
| Term | Definition |
|---|---|
| The science and art of reasoning well | Logic |
| A proposition that correspond with reality | Truth |
| The science that deals directly with reasoning | Formal logic |
| The science that deals with thinking that is indirectly related to reasoning | Informal logic |
| Drawing proper conclusions from other information | Reasoning |
| A concept with precise meaning expressed by a word or phrase | Term |
| To give the meaning of a term | Definition |
| having more than one meeting | Ambiguous |
| A word in which the extent of the meaning is unclear | Vague |
| A sentence with truth value | Proposition |
| Connecting pro propositions together to reason to a conclusion | Argument |
| Law of non-contradiction | A proposition cannot be both true and false at the same time and in the same way |
| Law identity | Something is equal to itself and nothing else |
| Law of excluded middle | A proposition can only be true or false |