Elementary Logic

Today is Friday.

Every triangle has three sides.

 $\sqrt{25}<\sqrt{16}$  

No prime number is even.

She passed the examination in Math.

The connective "~ or ¬" symbolizes _________.

• Conjunction

• Disjunction

• Negation

• Conditional

What is the symbol for disjuntion?

• $\wedge$

• $\vee$

• $\sim$

• $\rightarrow$

The connectives "if...then/implies" mean ___________.

• Conjunction

• Disjunction

• Conditional

• Biconditional

It shows the truth value of compound statements in every case of values of subpropositions.

• Venn Diagram

• Truth Table

• Truth Detector

• Graph

Biconditional statements used the symbol ____.

• $\rightarrow$

• $\leftarrow$

• $=$

• $\leftrightarrow$