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A conditional statement is an "ifthen" statement used in geometry to relate a particular hypothesis to its conclusion. An arrow originating at the hypothesis, denoted by p, and pointing at the conclusion, denoted by q, ... More »
A flow proof is just one representational style for the logical steps that go into proving a theorem or other proposition; rather than progress downward in two columns, as traditional proofs do, flow proofs utilize boxes... More »
In geometry, converse, inverse and contrapositive are conditional statements consisting of a hypothesis and a conclusion. These statements are also known as “ifthen statements.” The hypothesis part of a conditional stat... More »
In geometry, converse, inverse and contrapositive are conditional statements consisting of a hypothesis and a conclusion. These statements are also known as “ifthen statements.” The hypothesis part of a conditional stat... More »
In geometry, the law of detachment is a form of deductive reasoning in which two premises in relation to the same subject are examined to come to a reasonable conclusion. This law considers a hypothesis made with regard ... More »
Coordinating geometry proofs involves choosing a formula, drawing a graph, showing all work to demonstrate how the result was achieved, then concluding with a short statement of proof to explain what was proven and its v... More »
In geometry, a corollary is a statement that is proven true by another statement or considered to be a consequence of a statement's truth. Corollaries are believed to be true without additional proof besides the initial ... More »

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IXL K12 Math Practice
IXL is the Web's Most AdaptiveMath Practice Site. Try it Now!

US StandardsAligned
K12 Curriculum Aligned to Stateand Common Core Standards.