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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 1667 |
. . 3
| |
| 2 | 1 | ss2abi 3310 |
. 2
|
| 3 | dfima3 5104 |
. 2
| |
| 4 | dfrn3 4944 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3279 |
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 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-14 2206 ax-ext 2214 ax-sep 4228 ax-pow 4287 ax-pr 4322 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2083 df-mo 2084 df-clab 2219 df-cleq 2225 df-clel 2228 df-nfc 2373 df-ral 2525 df-rex 2526 df-v 2815 df-un 3215 df-in 3217 df-ss 3224 df-pw 3671 df-sn 3695 df-pr 3696 df-op 3698 df-br 4110 df-opab 4172 df-xp 4755 df-cnv 4757 df-dm 4759 df-rn 4760 df-res 4761 df-ima 4762 |
| This theorem is referenced by: imaexg 5115 0ima 5122 cnvimass 5125 fimass 5525 fimacnv 5806 f1opw2 6261 smores2 6525 ecss 6810 f1imaen2g 7033 fopwdom 7089 ssenen 7105 phplem4dom 7116 isinfinf 7154 fiintim 7191 sbthlem2 7228 sbthlemi3 7229 sbthlemi5 7231 sbthlemi6 7232 ctssdccl 7402 ctinf 13181 ssnnctlemct 13197 mhmima 13704 cnptoprest2 15105 hmeontr 15178 hmeores 15180 tgqioo 15420 domomsubct 16775 |
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