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| Mirrors > Home > ILE Home > Th. List > mptrcl | Unicode version | ||
| Description: Reverse closure for a mapping: If the function value of a mapping has a member, the argument belongs to the base class of the mapping. (Contributed by AV, 4-Apr-2020.) (Revised by Jim Kingdon, 27-Mar-2023.) |
| Ref | Expression |
|---|---|
| fvmpt2.1 |
|
| Ref | Expression |
|---|---|
| mptrcl |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fvmpt2.1 |
. . 3
| |
| 2 | 1 | dmmptss 5279 |
. 2
|
| 3 | 1 | funmpt2 5411 |
. . . 4
|
| 4 | funrel 5389 |
. . . 4
| |
| 5 | 3, 4 | ax-mp 5 |
. . 3
|
| 6 | relelfvdm 5722 |
. . 3
| |
| 7 | 5, 6 | mpan 428 |
. 2
|
| 8 | 2, 7 | sselid 3246 |
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 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 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 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-ral 2533 df-rex 2534 df-rab 2537 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-br 4126 df-opab 4188 df-mpt 4189 df-id 4433 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fv 5380 |
| This theorem is referenced by: bitsval 12688 divsfval 13626 submrcl 13755 issubg 13953 isnsg 13982 issubrng 14480 issubrg 14502 zrhval 14924 psmetdmdm 15348 psmetf 15349 psmet0 15351 psmettri2 15352 psmetres2 15357 plybss 15757 edgval 16215 wlkmex 16474 wlkreslem 16533 trlsv 16539 isclwwlk 16549 clwwlkbp 16550 clwwlknonmpo 16583 eupthv 16601 trlsegvdegfi 16622 eupth2lem3lem1fi 16623 eupth2lem3lem2fi 16624 eupth2lem3lem6fi 16626 eupth2lem3lem4fi 16628 |
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