conjecture
an educated guess that appears likely to be true, but has not been proven by mathematical logic
Inductive reasoning
Studying a number of situations to arrive at an educated guess
Conditional Statements/Conditionals/If-then statements
Are used to clarify confusing statements
Hypothesis
the portion of the statement that follows the "if"
Conclusion
the portion of the statement that follows the "then"
Converse
is formed by exchanging the hypothesis and conclusion
Deductive reasoning
a system of reasoning used to reach conclusions
Theorem
a statement that can be proven
Postulate
A statement that describes a fundamental relationship in geometry. It is accepted as true without proof
A definition
it establishes the limits or describes the meaning of a concept or term by stating the essential properties of the entities or objects denoted by that concept or term