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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 1597 | . . 3 | |
2 | 1 | ss2abi 3169 | . 2 |
3 | dfima3 4884 | . 2 | |
4 | dfrn3 4728 | . 2 | |
5 | 2, 3, 4 | 3sstr4i 3138 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wex 1468 wcel 1480 cab 2125 wss 3071 cop 3530 crn 4540 cima 4542 |
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 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-br 3930 df-opab 3990 df-xp 4545 df-cnv 4547 df-dm 4549 df-rn 4550 df-res 4551 df-ima 4552 |
This theorem is referenced by: imaexg 4893 0ima 4899 cnvimass 4902 fimacnv 5549 f1opw2 5976 smores2 6191 ecss 6470 f1imaen2g 6687 fopwdom 6730 ssenen 6745 phplem4dom 6756 isinfinf 6791 fiintim 6817 sbthlem2 6846 sbthlemi3 6847 sbthlemi5 6849 sbthlemi6 6850 ctssdccl 6996 ctinf 11943 cnptoprest2 12409 hmeontr 12482 hmeores 12484 tgqioo 12716 |
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