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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 5240 |
. 2
|
| 3 | 1 | funmpt2 5372 |
. . . 4
|
| 4 | funrel 5350 |
. . . 4
| |
| 5 | 3, 4 | ax-mp 5 |
. . 3
|
| 6 | relelfvdm 5680 |
. . 3
| |
| 7 | 5, 6 | mpan 424 |
. 2
|
| 8 | 2, 7 | sselid 3226 |
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 2205 ax-ext 2213 ax-sep 4212 ax-pow 4270 ax-pr 4305 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2364 df-ral 2516 df-rex 2517 df-rab 2520 df-v 2805 df-un 3205 df-in 3207 df-ss 3214 df-pw 3658 df-sn 3679 df-pr 3680 df-op 3682 df-uni 3899 df-br 4094 df-opab 4156 df-mpt 4157 df-id 4396 df-xp 4737 df-rel 4738 df-cnv 4739 df-co 4740 df-dm 4741 df-rn 4742 df-res 4743 df-ima 4744 df-iota 5293 df-fun 5335 df-fv 5341 |
| This theorem is referenced by: bitsval 12567 divsfval 13474 submrcl 13617 issubg 13823 isnsg 13852 issubrng 14277 issubrg 14299 zrhval 14696 psmetdmdm 15118 psmetf 15119 psmet0 15121 psmettri2 15122 psmetres2 15127 plybss 15527 edgval 15984 wlkmex 16243 wlkreslem 16302 trlsv 16308 isclwwlk 16318 clwwlkbp 16319 clwwlknonmpo 16352 eupthv 16370 trlsegvdegfi 16391 eupth2lem3lem1fi 16392 eupth2lem3lem2fi 16393 eupth2lem3lem6fi 16395 eupth2lem3lem4fi 16397 |
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