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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 5264 |
. 2
|
| 3 | 1 | funmpt2 5396 |
. . . 4
|
| 4 | funrel 5374 |
. . . 4
| |
| 5 | 3, 4 | ax-mp 5 |
. . 3
|
| 6 | relelfvdm 5707 |
. . 3
| |
| 7 | 5, 6 | mpan 424 |
. 2
|
| 8 | 2, 7 | sselid 3240 |
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 2208 ax-ext 2216 ax-sep 4233 ax-pow 4292 ax-pr 4327 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-rab 2531 df-v 2817 df-un 3218 df-in 3220 df-ss 3227 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-mpt 4178 df-id 4419 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fv 5365 |
| This theorem is referenced by: bitsval 12654 divsfval 13592 submrcl 13726 issubg 13926 isnsg 13955 issubrng 14445 issubrg 14467 zrhval 14891 psmetdmdm 15315 psmetf 15316 psmet0 15318 psmettri2 15319 psmetres2 15324 plybss 15724 edgval 16181 wlkmex 16440 wlkreslem 16499 trlsv 16505 isclwwlk 16515 clwwlkbp 16516 clwwlknonmpo 16549 eupthv 16567 trlsegvdegfi 16588 eupth2lem3lem1fi 16589 eupth2lem3lem2fi 16590 eupth2lem3lem6fi 16592 eupth2lem3lem4fi 16594 |
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