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| Mirrors > Home > ILE Home > Th. List > mhmex | Unicode version | ||
| Description: The set of monoid homomorphisms exists. (Contributed by Jim Kingdon, 15-May-2025.) |
| Ref | Expression |
|---|---|
| mhmex |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fnmap 6929 |
. . . . 5
| |
| 2 | basfn 13411 |
. . . . . 6
| |
| 3 | simpr 110 |
. . . . . . 7
| |
| 4 | 3 | elexd 2835 |
. . . . . 6
|
| 5 | funfvex 5712 |
. . . . . . 7
| |
| 6 | 5 | funfni 5483 |
. . . . . 6
|
| 7 | 2, 4, 6 | sylancr 418 |
. . . . 5
|
| 8 | simpl 109 |
. . . . . . 7
| |
| 9 | 8 | elexd 2835 |
. . . . . 6
|
| 10 | funfvex 5712 |
. . . . . . 7
| |
| 11 | 10 | funfni 5483 |
. . . . . 6
|
| 12 | 2, 9, 11 | sylancr 418 |
. . . . 5
|
| 13 | fnovex 6118 |
. . . . 5
| |
| 14 | 1, 7, 12, 13 | mp3an2i 1383 |
. . . 4
|
| 15 | rabexg 4279 |
. . . 4
| |
| 16 | 14, 15 | syl 14 |
. . 3
|
| 17 | fveq2 5695 |
. . . . . 6
| |
| 18 | 17 | oveq2d 6101 |
. . . . 5
|
| 19 | fveq2 5695 |
. . . . . . . . . 10
| |
| 20 | 19 | oveqd 6102 |
. . . . . . . . 9
|
| 21 | 20 | fveqeq2d 5703 |
. . . . . . . 8
|
| 22 | 17, 21 | raleqbidv 2765 |
. . . . . . 7
|
| 23 | 17, 22 | raleqbidv 2765 |
. . . . . 6
|
| 24 | fveq2 5695 |
. . . . . . 7
| |
| 25 | 24 | fveqeq2d 5703 |
. . . . . 6
|
| 26 | 23, 25 | anbi12d 477 |
. . . . 5
|
| 27 | 18, 26 | rabeqbidv 2816 |
. . . 4
|
| 28 | fveq2 5695 |
. . . . . 6
| |
| 29 | 28 | oveq1d 6100 |
. . . . 5
|
| 30 | fveq2 5695 |
. . . . . . . . 9
| |
| 31 | 30 | oveqd 6102 |
. . . . . . . 8
|
| 32 | 31 | eqeq2d 2250 |
. . . . . . 7
|
| 33 | 32 | 2ralbidv 2574 |
. . . . . 6
|
| 34 | fveq2 5695 |
. . . . . . 7
| |
| 35 | 34 | eqeq2d 2250 |
. . . . . 6
|
| 36 | 33, 35 | anbi12d 477 |
. . . . 5
|
| 37 | 29, 36 | rabeqbidv 2816 |
. . . 4
|
| 38 | df-mhm 13766 |
. . . 4
| |
| 39 | 27, 37, 38 | ovmpog 6223 |
. . 3
|
| 40 | 16, 39 | mpd3an3 1379 |
. 2
|
| 41 | 40, 16 | eqeltrd 2315 |
1
|
| Colors of variables: wff set class |
| This proof depends on syntax axioms:
|
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4249 ax-pow 4311 ax-pr 4346 ax-un 4578 ax-setind 4684 ax-cnex 8270 ax-resscn 8271 ax-1re 8273 ax-addrcl 8276 |
| This proof depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3690 df-sn 3715 df-pr 3716 df-op 3718 df-uni 3936 df-int 3971 df-iun 4014 df-br 4131 df-opab 4193 df-mpt 4194 df-id 4438 df-xp 4780 df-rel 4781 df-cnv 4782 df-co 4783 df-dm 4784 df-rn 4785 df-res 4786 df-ima 4787 df-iota 5337 df-fun 5379 df-fn 5380 df-f 5381 df-fv 5385 df-ov 6088 df-oprab 6089 df-mpo 6090 df-1st 6374 df-2nd 6375 df-map 6924 df-inn 9305 df-ndx 13355 df-slot 13356 df-base 13358 df-mhm 13766 |
| This theorem is used by: ghmex 14058 |
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