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Intermediate Logic Lesson 1-9

Horizontales
If statement
Lists all possible truth values for a set of one or more propositions
When two propositions have (if and only if) identical truth values in a truth table
Argument is true if the premises are true and then the cocnlusion must also be true
Proposition thatis always true due to its logical structure
And/but , or, if ...then
V, or
If and only if
Verticales
If...then...
* and/but
Truth value depends on the truth value of its component parts
A statement
Proposition that is false by logical structure
~, not
Then statement