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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 1664 |
. . 3
| |
| 2 | 1 | ss2abi 3296 |
. 2
|
| 3 | dfima3 5070 |
. 2
| |
| 4 | dfrn3 4910 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3265 |
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 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-14 2203 ax-ext 2211 ax-sep 4201 ax-pow 4257 ax-pr 4292 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2801 df-un 3201 df-in 3203 df-ss 3210 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-br 4083 df-opab 4145 df-xp 4724 df-cnv 4726 df-dm 4728 df-rn 4729 df-res 4730 df-ima 4731 |
| This theorem is referenced by: imaexg 5081 0ima 5087 cnvimass 5090 fimacnv 5763 f1opw2 6210 smores2 6438 ecss 6721 f1imaen2g 6943 fopwdom 6993 ssenen 7008 phplem4dom 7019 isinfinf 7055 fiintim 7089 sbthlem2 7121 sbthlemi3 7122 sbthlemi5 7124 sbthlemi6 7125 ctssdccl 7274 ctinf 12996 ssnnctlemct 13012 mhmima 13519 cnptoprest2 14908 hmeontr 14981 hmeores 14983 tgqioo 15223 domomsubct 16326 |
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