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| Mirrors > Home > ILE Home > Th. List > mpoexw | Unicode version | ||
| Description: Weak version of mpoex 6272 that holds without ax-coll 4148. If the domain and codomain of an operation given by maps-to notation are sets, the operation is a set. (Contributed by Rohan Ridenour, 14-Aug-2023.) | 
| Ref | Expression | 
|---|---|
| mpoexw.1 | 
 | 
| mpoexw.2 | 
 | 
| mpoexw.3 | 
 | 
| mpoexw.4 | 
 | 
| Ref | Expression | 
|---|---|
| mpoexw | 
 | 
| Step | Hyp | Ref | Expression | 
|---|---|---|---|
| 1 | eqid 2196 | 
. . 3
 | |
| 2 | 1 | mpofun 6024 | 
. 2
 | 
| 3 | mpoexw.4 | 
. . . 4
 | |
| 4 | 1 | dmmpoga 6266 | 
. . . 4
 | 
| 5 | 3, 4 | ax-mp 5 | 
. . 3
 | 
| 6 | mpoexw.1 | 
. . . 4
 | |
| 7 | mpoexw.2 | 
. . . 4
 | |
| 8 | 6, 7 | xpex 4778 | 
. . 3
 | 
| 9 | 5, 8 | eqeltri 2269 | 
. 2
 | 
| 10 | 1 | rnmpo 6033 | 
. . 3
 | 
| 11 | mpoexw.3 | 
. . . 4
 | |
| 12 | 3 | rspec 2549 | 
. . . . . . . . 9
 | 
| 13 | 12 | r19.21bi 2585 | 
. . . . . . . 8
 | 
| 14 | eleq1a 2268 | 
. . . . . . . 8
 | |
| 15 | 13, 14 | syl 14 | 
. . . . . . 7
 | 
| 16 | 15 | rexlimdva 2614 | 
. . . . . 6
 | 
| 17 | 16 | rexlimiv 2608 | 
. . . . 5
 | 
| 18 | 17 | abssi 3258 | 
. . . 4
 | 
| 19 | 11, 18 | ssexi 4171 | 
. . 3
 | 
| 20 | 10, 19 | eqeltri 2269 | 
. 2
 | 
| 21 | funexw 6169 | 
. 2
 | |
| 22 | 2, 9, 20, 21 | mp3an 1348 | 
1
 | 
| Colors of variables: wff set class | 
| Syntax hints:     | 
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 | 
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-rab 2484 df-v 2765 df-sbc 2990 df-csb 3085 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-iun 3918 df-br 4034 df-opab 4095 df-mpt 4096 df-id 4328 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-rn 4674 df-res 4675 df-ima 4676 df-iota 5219 df-fun 5260 df-fn 5261 df-f 5262 df-fv 5266 df-oprab 5926 df-mpo 5927 df-1st 6198 df-2nd 6199 | 
| This theorem is referenced by: (None) | 
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