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Mirrors > Home > ILE Home > Th. List > imassrn | Unicode version |
Description: The image of a class is a subset of its range. Theorem 3.16(xi) of [Monk1] p. 39. (Contributed by NM, 31-Mar-1995.) |
Ref | Expression |
---|---|
imassrn |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exsimpr 1606 | . . 3 | |
2 | 1 | ss2abi 3213 | . 2 |
3 | dfima3 4948 | . 2 | |
4 | dfrn3 4792 | . 2 | |
5 | 2, 3, 4 | 3sstr4i 3182 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wex 1480 wcel 2136 cab 2151 wss 3115 cop 3578 crn 4604 cima 4606 |
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 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4099 ax-pow 4152 ax-pr 4186 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2296 df-ral 2448 df-rex 2449 df-v 2727 df-un 3119 df-in 3121 df-ss 3128 df-pw 3560 df-sn 3581 df-pr 3582 df-op 3584 df-br 3982 df-opab 4043 df-xp 4609 df-cnv 4611 df-dm 4613 df-rn 4614 df-res 4615 df-ima 4616 |
This theorem is referenced by: imaexg 4957 0ima 4963 cnvimass 4966 fimacnv 5613 f1opw2 6043 smores2 6258 ecss 6538 f1imaen2g 6755 fopwdom 6798 ssenen 6813 phplem4dom 6824 isinfinf 6859 fiintim 6890 sbthlem2 6919 sbthlemi3 6920 sbthlemi5 6922 sbthlemi6 6923 ctssdccl 7072 ctinf 12359 ssnnctlemct 12375 cnptoprest2 12840 hmeontr 12913 hmeores 12915 tgqioo 13147 |
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