Theorem 7t2e14

Description: 7 times 2 equals 14. (Contributed by Mario Carneiro, 19-Apr-2015)

	Ref	Expression
Assertion	7t2e14	$$⊢7\cdot 2=14$$

Proof

Step	Hyp	Ref	Expression
1		7cn	$$⊢7\in ℂ$$
2	1	times2i	$$⊢7\cdot 2=7+7$$
3		7p7e14	$$⊢7+7=14$$
4	2 3	eqtri	$$⊢7\cdot 2=14$$