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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 5259 |
. 2
|
| 3 | 1 | funmpt2 5391 |
. . . 4
|
| 4 | funrel 5369 |
. . . 4
| |
| 5 | 3, 4 | ax-mp 5 |
. . 3
|
| 6 | relelfvdm 5702 |
. . 3
| |
| 7 | 5, 6 | mpan 424 |
. 2
|
| 8 | 2, 7 | sselid 3236 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-rab 2529 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-uni 3915 df-br 4110 df-opab 4172 df-mpt 4173 df-id 4414 df-xp 4755 df-rel 4756 df-cnv 4757 df-co 4758 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 df-iota 5312 df-fun 5354 df-fv 5360 |
| This theorem is referenced by: bitsval 12629 divsfval 13541 submrcl 13684 issubg 13890 isnsg 13919 issubrng 14344 issubrg 14366 zrhval 14765 psmetdmdm 15189 psmetf 15190 psmet0 15192 psmettri2 15193 psmetres2 15198 plybss 15598 edgval 16055 wlkmex 16314 wlkreslem 16373 trlsv 16379 isclwwlk 16389 clwwlkbp 16390 clwwlknonmpo 16423 eupthv 16441 trlsegvdegfi 16462 eupth2lem3lem1fi 16463 eupth2lem3lem2fi 16464 eupth2lem3lem6fi 16466 eupth2lem3lem4fi 16468 |
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