Theorem dp2eq1i

Description: Equality theorem for the decimal expansion constructor. (Contributed by David A. Wheeler, 15-May-2015)

	Ref	Expression
Hypothesis	dp2eq1i.1	$$⊢A=B$$
Assertion	dp2eq1i	Could not format assertion : No typesetting found for |- _ A C = _ B C with typecode |-

Proof

Step	Hyp	Ref	Expression
1		dp2eq1i.1	$$⊢A=B$$
2		dp2eq1	Could not format ( A = B -> _ A C = _ B C ) : No typesetting found for |- ( A = B -> _ A C = _ B C ) with typecode |-
3	1 2	ax-mp	Could not format _ A C = _ B C : No typesetting found for |- _ A C = _ B C with typecode |-