Theorem 2halvesd

Description: Two halves make a whole. (Contributed by Mario Carneiro, 27-May-2016)

	Ref	Expression
Hypothesis	2timesd.1	$$⊢\phi \to A\in ℂ$$
Assertion	2halvesd	$$⊢\phi \to \left(\frac{A}{2}\right)+\left(\frac{A}{2}\right)=A$$

Proof

Step	Hyp	Ref	Expression
1		2timesd.1	$$⊢\phi \to A\in ℂ$$
2		2halves	$$⊢A\in ℂ\to \left(\frac{A}{2}\right)+\left(\frac{A}{2}\right)=A$$
3	1 2	syl	$$⊢\phi \to \left(\frac{A}{2}\right)+\left(\frac{A}{2}\right)=A$$