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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 5233 |
. 2
|
| 3 | 1 | funmpt2 5365 |
. . . 4
|
| 4 | funrel 5343 |
. . . 4
| |
| 5 | 3, 4 | ax-mp 5 |
. . 3
|
| 6 | relelfvdm 5671 |
. . 3
| |
| 7 | 5, 6 | mpan 424 |
. 2
|
| 8 | 2, 7 | sselid 3225 |
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 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-14 2205 ax-ext 2213 ax-sep 4207 ax-pow 4264 ax-pr 4299 |
| This theorem depends on definitions: df-bi 117 df-3an 1006 df-tru 1400 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ral 2515 df-rex 2516 df-rab 2519 df-v 2804 df-un 3204 df-in 3206 df-ss 3213 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-br 4089 df-opab 4151 df-mpt 4152 df-id 4390 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fv 5334 |
| This theorem is referenced by: bitsval 12522 divsfval 13429 submrcl 13572 issubg 13778 isnsg 13807 issubrng 14232 issubrg 14254 zrhval 14650 psmetdmdm 15067 psmetf 15068 psmet0 15070 psmettri2 15071 psmetres2 15076 plybss 15476 edgval 15930 wlkmex 16189 wlkreslem 16248 trlsv 16254 isclwwlk 16264 clwwlkbp 16265 clwwlknonmpo 16298 eupthv 16316 trlsegvdegfi 16337 eupth2lem3lem1fi 16338 eupth2lem3lem2fi 16339 eupth2lem3lem6fi 16341 eupth2lem3lem4fi 16343 |
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