is considered the heart of geometry and mathematics.

It is a statement that needs to be proved by deductive reasoning.

form of proof that requires showing that the conclusion to be proved is true.

form of proof that shows that all the alternatives are false.

It is the form of writing proofs in which each statement in the logical argument is written in the left-hand column and the reason for each statement is written directly across in the right-hand column.

It is a way of writing proof where a series of statements are organized in logical order using boxes and arrows. Each statement together with its reason/justification is written in a box. Arrows are used to show how each statement leads to another.

This form is where you write a paragraph to explain why a statement in an argument is true.

these are terms that can be described but cannot be defined such as point, a line, and a plane.

these are terms with an exact definition or a specific description. They include aspecific category and critical attributes.

these are statements that are assumed true without proof or validation. These statements are very simple and no longer require any proof.