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# Logic review cards

### cards reviewing logic

What is it called when you make something the opposite of what it is Negation.
What is disjunction? A sentence using or.
What is conjunction? A sentence using and.
What is conditional? A sentence using the words If....Then..
What is Biconditional? A sentence using "If and only if"
What is Truth value? If a statement is true or false.
What is Logically equivalent? If their truth values are the same.
What is converse? When you switch the order
What is Inverse? When You make both negative.
What is contrapositive? Switch and negate both.
What is the and symbol? ^
What is the or symbol? V
What is the negation symbol? ~
What id the conditional symbol? ----->
What is the biconditional symbol? <------>
What is a truth table? A table showing the summary of the truth values
When is a conjunction true? When both are true: "ATT"
When is a disjunction false? When both are false: OFF
When is a conditional false? When true pints to false: "Tuna fish is false"
When is a biconditional true? When both truth values are the same: BST.
How do you set up a 2 circle venn diagram? Make 2 circles that overlap each other.
How do you set up a 3 circle venn diagram? Make 3 circles that overlap each other.
How do you get the percentage? Get the how much out of the total and multiply by one hundred.
How do you solve a logic puzzle? Use a chart and mark off what you are trying to figure out with an X or a check.
How do you complete the last column in a truth table? By Finding out both truth values and look at the symbol and solve.