Metamath Proof Explorer


Definition df-dp2

Description: Define the "decimal fraction constructor", which is used to build up "decimal fractions" in base 10. This is intentionally similar to df-dec . (Contributed by David A. Wheeler, 15-May-2015) (Revised by AV, 9-Sep-2021)

Ref Expression
Assertion df-dp2 Could not format assertion : No typesetting found for |- _ A B = ( A + ( B / ; 1 0 ) ) with typecode |-

Detailed syntax breakdown

Step Hyp Ref Expression
0 cA class A
1 cB class B
2 0 1 cdp2 Could not format _ A B : No typesetting found for class _ A B with typecode class
3 caddc class +
4 cdiv class ÷
5 c1 class 1
6 cc0 class 0
7 5 6 cdc class 10
8 1 7 4 co class B 10
9 0 8 3 co class A + B 10
10 2 9 wceq Could not format _ A B = ( A + ( B / ; 1 0 ) ) : No typesetting found for wff _ A B = ( A + ( B / ; 1 0 ) ) with typecode wff