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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 1671 |
. . 3
| |
| 2 | 1 | ss2abi 3320 |
. 2
|
| 3 | dfima3 5124 |
. 2
| |
| 4 | dfrn3 4964 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3289 |
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 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-br 4126 df-opab 4188 df-xp 4775 df-cnv 4777 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 |
| This theorem is referenced by: imaexg 5135 0ima 5142 cnvimass 5145 fimass 5545 fimacnv 5828 f1opw2 6286 smores2 6555 ecss 6840 f1imaen2g 7070 fopwdom 7126 ssenen 7142 phplem4dom 7153 isinfinf 7191 fiintim 7228 sbthlem2 7265 sbthlemi3 7266 sbthlemi5 7268 sbthlemi6 7269 ctssdccl 7441 ballotfilemsima 13237 ballotfilemro 13244 ctinf 13299 ssnnctlemct 13315 mhmima 13775 cnptoprest2 15264 hmeontr 15337 hmeores 15339 tgqioo 15579 domomsubct 16945 |
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