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Metamath Proof Explorer

Theorem 5p1e6

Description: 5 + 1 = 6. (Contributed by Mario Carneiro, 18-Apr-2015)

		Ref	Expression
	Assertion	5p1e6	$⊢ 5 + 1 = 6$

Step	Hyp	Ref	Expression
1		df-6	$⊢ 6 = 5 + 1$
2	1	eqcomi	$⊢ 5 + 1 = 6$