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For example, let A be the statement "R is a square" and B be the statement "R is a rectangle". Then A implies B. The contrapositive of this is the statement "if R is not a rectangle, then R is not a square", which is logically equivalent to the first statement. On the other hand, the converse is "if R is a rectangle, then R is a square", an implication which isn't even true!
For example, let A be the statement "R is a square" and B be the statement "R is a rectangle". Then A implies B. The contrapositive of this is the statement "if R is not a rectangle, then R is not a square", which is logically equivalent to the first statement. On the other hand, the converse is "if R is a rectangle, then R is a square", an implication which isn't even true!
[[Category:Logic]]
[[Category:Logic]]