Database
SUPPLEMENTARY MATERIAL (USERS' MATHBOXES)
Mathbox for Thierry Arnoux
Decimal expansion
df-dp2
Metamath Proof Explorer
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