Conditional statements

Negation

The opposite of the original statement

Conditional statement

Two parts: if-then form

Original sentence (P-Q)

If-then form

Inverse (~P-~Q)

Negation (o) Flip (x)

Converse (Q-P)

Negation (x) Flip (o)

Contrapositive (~Q-~P)

Negation (o) Flip (o)

Perpendicular Lines

If two lines intersect to form a right angle

Biconditional statement

When Conditional (if-then) (o), Converse (Flip) (o) are both true

Reflexive

AB=BA (Angle N= Angle N)

Transitive

If AB=CD, and CD=EF, then AB=EF (If R=S, and S=44, then r=44)