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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 1641 |
. . 3
| |
| 2 | 1 | ss2abi 3265 |
. 2
|
| 3 | dfima3 5025 |
. 2
| |
| 4 | dfrn3 4867 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3234 |
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 711 ax-5 1470 ax-7 1471 ax-gen 1472 ax-ie1 1516 ax-ie2 1517 ax-8 1527 ax-10 1528 ax-11 1529 ax-i12 1530 ax-bndl 1532 ax-4 1533 ax-17 1549 ax-i9 1553 ax-ial 1557 ax-i5r 1558 ax-14 2179 ax-ext 2187 ax-sep 4162 ax-pow 4218 ax-pr 4253 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1484 df-sb 1786 df-eu 2057 df-mo 2058 df-clab 2192 df-cleq 2198 df-clel 2201 df-nfc 2337 df-ral 2489 df-rex 2490 df-v 2774 df-un 3170 df-in 3172 df-ss 3179 df-pw 3618 df-sn 3639 df-pr 3640 df-op 3642 df-br 4045 df-opab 4106 df-xp 4681 df-cnv 4683 df-dm 4685 df-rn 4686 df-res 4687 df-ima 4688 |
| This theorem is referenced by: imaexg 5036 0ima 5042 cnvimass 5045 fimacnv 5709 f1opw2 6152 smores2 6380 ecss 6663 f1imaen2g 6885 fopwdom 6933 ssenen 6948 phplem4dom 6959 isinfinf 6994 fiintim 7028 sbthlem2 7060 sbthlemi3 7061 sbthlemi5 7063 sbthlemi6 7064 ctssdccl 7213 ctinf 12801 ssnnctlemct 12817 mhmima 13323 cnptoprest2 14712 hmeontr 14785 hmeores 14787 tgqioo 15027 domomsubct 15938 |
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