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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 1632 |
. . 3
| |
| 2 | 1 | ss2abi 3256 |
. 2
|
| 3 | dfima3 5013 |
. 2
| |
| 4 | dfrn3 4856 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 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 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-14 2170 ax-ext 2178 ax-sep 4152 ax-pow 4208 ax-pr 4243 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ral 2480 df-rex 2481 df-v 2765 df-un 3161 df-in 3163 df-ss 3170 df-pw 3608 df-sn 3629 df-pr 3630 df-op 3632 df-br 4035 df-opab 4096 df-xp 4670 df-cnv 4672 df-dm 4674 df-rn 4675 df-res 4676 df-ima 4677 |
| This theorem is referenced by: imaexg 5024 0ima 5030 cnvimass 5033 fimacnv 5692 f1opw2 6130 smores2 6353 ecss 6636 f1imaen2g 6853 fopwdom 6898 ssenen 6913 phplem4dom 6924 isinfinf 6959 fiintim 6993 sbthlem2 7025 sbthlemi3 7026 sbthlemi5 7028 sbthlemi6 7029 ctssdccl 7178 ctinf 12657 ssnnctlemct 12673 mhmima 13133 cnptoprest2 14486 hmeontr 14559 hmeores 14561 tgqioo 14801 |
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