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Mirrors > Home > ILE Home > Th. List > dmmptss | Unicode version |
Description: The domain of a mapping is a subset of its base class. (Contributed by Scott Fenton, 17-Jun-2013.) |
Ref | Expression |
---|---|
dmmpo.1 |
Ref | Expression |
---|---|
dmmptss |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | dmmpo.1 | . . 3 | |
2 | 1 | dmmpt 5029 | . 2 |
3 | ssrab2 3177 | . 2 | |
4 | 2, 3 | eqsstri 3124 | 1 |
Colors of variables: wff set class |
Syntax hints: wceq 1331 wcel 1480 crab 2418 cvv 2681 wss 3066 cmpt 3984 cdm 4534 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2000 df-mo 2001 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-rab 2423 df-v 2683 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-br 3925 df-opab 3985 df-mpt 3986 df-xp 4540 df-rel 4541 df-cnv 4542 df-dm 4544 df-rn 4545 df-res 4546 df-ima 4547 |
This theorem is referenced by: mptrcl 5496 fvmptssdm 5498 elfvmptrab1 5508 mptexg 5638 dmmpossx 6090 tposssxp 6139 lmrcl 12349 cnprcl2k 12364 isxms2 12610 |
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