ALWAYS write in complete grammatically correct sentences just as you would in any other subject this means that all the grammar rules you learned in English class still apply here. X 6 y 3. The last claim in the sequence is the statement of the theorem or a statement that clearly implies the theorem.
X 6 y 3.
It is not enough to learn to write a proof it also essential to know how to approach dense compact wirtten proofs in order to learn from them. Some simple examples are given at the beginning but soon after the PROOFS begin. For example contraposition can be used to establish that given an integer. By substituting in some tautology from the previous claims as well as theorems whose truth has been already established.