Are you proposing something?
Rules & reminders
That is so symbolic
Coming to Terms
Looking for validation
100

The branch of formal, deductive logic in which the basic unit of thought is the proposition. 

What is propositional logic? 


100

In a disjunction, assume the ∨ (or) is:  

What is "inclusive?"

100

This symbol represents "if and only if."

What is an equal sign with three lines?

100

This is a lowercase letter that represents any proposition.

What is a propositional variable?

100

This symbol is used in front of the conclusion when using truth tables to test for validity.

What is the three dot triangle?

200

A proposition with only one component part.

What is a simple proposition?

200

A listing of the possible truth values for a set of one or more propositions. 

What is a truth table?

200

This symbol denies or contradicts a proposition.

What is a tilde? (~)

200

This is an uppercase letter that represents a single, given proposition. 

What is a propositional constant?

200

If the premises are true, the conclusion must be true in this type of argument.

What is a valid argument?

300
A proposition with more than one component part or a modified (negated) part. (MUST have at least one logical operator).

What is a compound proposition?

300

What is needed in a series of 3 or more propositions to avoid ambiguity? 

What is parentheses? 

300

This symbol joins two propositions and is false if and only if both propositions are false. 

What is "v"?

300

This is a proposition that is always true due to its logical structure.

What is tautology?

300

If premises can be true and the conclusion false you have this kind of argument.

What is an invalid argument?

400

The proposition that follows the "if" in a conditional propostition.

What is the antecedent?

400

If two propositions have identical truth values they are....

What is logically equivalent?

400

This symbol joins two propositions and is true if and only if both propositions are true.

What is a dot?

400

`A proposition that is false by logical structure. 

 What is self-contradiction? 

400

In shorter truth tables, assume the argument is invalid, that the premises are true and the conclusion is ____________.   

What is false? 

500

The proposition that follows the "then" in a conditional proposition.

What is the consequent?

500

This logical operator is true when both component propositions have the same truth value. 

What is biconditional? 

500

This symbol asserts that one component (the antecedent) implies the other (consequent).  

What is the horseshoe (or conditional)?

500

If two propositions have identical truth values in a truth table they are _____________. 

What is logically equivalent? 

500

In shorter truth tables, if there are no contradictions the argument is ________

What is invalid?