Introduction to ProofsReference > Mathematics
An explanation of proofs, along with some simple examples
Examples of more algebraic proofs which use additional properties, like the Substitution Property
Using definitions of mathematical terminology in proofs
An explanation of theorems, and how we can use them in proofs
How to use the transitive property in proofs
How to prove something by using an assumption that leads to a contradiction
In which we create another algebraic theorem, using two lemmas to help us out
An explanation of corollaries, with some non-geometric examples
Moving beyond two-column proofs to more fluid paragraph style proofs
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