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Logic Quiz 1
definitions
Question | Answer |
---|---|
conjunction | combines two statements with the word 'and' |
symbols | a single letter of the alphabet , may replace an entire sentence in logic. The most commonly used letters in logic are P, Q, and R |
truth tables | compact way to list symbols to show all the possible truth values for a set of sentences |
truth table for conjunction | P/Q/P^Q T/T/ T T/F/F F/T/F F/F/F |
truth table for disjunction | P/Q/PVQ T/T/T T/F/F F/T/F F/F/F |
logic | a study of sound reasoning . logic focuses the study of arguments. |
negation | a negation is a opposite truth value of a statement or sentence |
disjunction | combines two statements with the word 'or' |
conditional states | ' if, then' statements |
premise /hypothesis | the 'if' part of the statement |
conclusion/consequent | the 'then' or the result in the argument |
argument | the premise/hypothesis and the consequence/conclusion |
phrase | an incomplete sentence |
truth value | whether or not a statement is true or false |
Truth table for a conditional | P/Q/P->Q T/T/T T/F/F F/T/T F/F/T |
^ | and |
V | or |
-> | if |
~ | not |
Truth table for negation | P/~P T/F F/T |