Description: The base set of the monoid of endofunctions on class A . (Contributed by AV, 25-Jan-2024)
Ref | Expression | ||
---|---|---|---|
Hypotheses | efmndbas.g | No typesetting found for |- G = ( EndoFMnd ` A ) with typecode |- | |
efmndbas.b | |
||
Assertion | efmndbas | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | efmndbas.g | Could not format G = ( EndoFMnd ` A ) : No typesetting found for |- G = ( EndoFMnd ` A ) with typecode |- | |
2 | efmndbas.b | |
|
3 | ovex | |
|
4 | eqid | |
|
5 | 4 | topgrpbas | |
6 | 3 5 | mp1i | |
7 | eqid | |
|
8 | eqid | |
|
9 | eqid | |
|
10 | 1 7 8 9 | efmnd | |
11 | 10 | fveq2d | |
12 | 6 11 | eqtr4d | |
13 | base0 | |
|
14 | reldmmap | |
|
15 | 14 | ovprc1 | |
16 | fvprc | Could not format ( -. A e. _V -> ( EndoFMnd ` A ) = (/) ) : No typesetting found for |- ( -. A e. _V -> ( EndoFMnd ` A ) = (/) ) with typecode |- | |
17 | 1 16 | eqtrid | |
18 | 17 | fveq2d | |
19 | 13 15 18 | 3eqtr4a | |
20 | 12 19 | pm2.61i | |
21 | 2 20 | eqtr4i | |