Theorem 2p3e5

Description: 2 + 3 = 5. (Contributed by SN, 24-Aug-2026)

	Ref	Expression
Assertion	2p3e5	$$⊢2+3=5$$

Proof

Step	Hyp	Ref	Expression
1		2cn	$$⊢2\in ℂ$$
2		ax-1cn	$$⊢1\in ℂ$$
3	1 2 1	addassi	$$⊢2+1+2=2+1+2$$
4		2p1e3	$$⊢2+1=3$$
5	4	oveq1i	$$⊢2+1+2=3+2$$
6		3p2e5	$$⊢3+2=5$$
7	5 6	eqtri	$$⊢2+1+2=5$$
8		1p2e3	$$⊢1+2=3$$
9	8	oveq2i	$$⊢2+1+2=2+3$$
10	3 7 9	3eqtr3ri	$$⊢2+3=5$$