Geometric Logic and Proof Definitions.

An educated guess based on known information

the statement formed by negating both the hypothesis and conclusion

the statement formed by exchanging the hypothesis and the conclusion of a statement

the conjunction(combination) of a conditional statement and its converse; an if and only if statement

a law of logic that states that given two true conditionals with the conclusion of the first being the hypothesis of the second, there exists a third true conditional having the hypothesis of the first and the conclusion of the second- Example: The Day the Cats Parachuted into Borneo

a law of logic that states that if a conditional statement and its hypothesis are true then the conclusion is also true

a process of reasoning using given and previously know facts to reach a logical conclusion

a type of reasoning that reaches conclusions based on a pattern of specific examples or past events

What type of angle pair are ∠ 1 and ∠3?

What type of angle pair are the angles shown?