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Theorem: $1 = 1 cent Proof: First, by definition, $1 = 100 cents Or, $1 = (10 cents)2 But, by substitution, $1 = ($0.10)2 Squaring the right side, $1 = $0.01 = = 1 cent Q.E.D.
Proof: First, by definition, $1 = 100 cents
Or, $1 = (10 cents)2
But, by substitution, $1 = ($0.10)2
Squaring the right side, $1 = $0.01 = = 1 cent
Q.E.D.