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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 1642 |
. . 3
| |
| 2 | 1 | ss2abi 3273 |
. 2
|
| 3 | dfima3 5044 |
. 2
| |
| 4 | dfrn3 4885 |
. 2
| |
| 5 | 2, 3, 4 | 3sstr4i 3242 |
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 1471 ax-7 1472 ax-gen 1473 ax-ie1 1517 ax-ie2 1518 ax-8 1528 ax-10 1529 ax-11 1530 ax-i12 1531 ax-bndl 1533 ax-4 1534 ax-17 1550 ax-i9 1554 ax-ial 1558 ax-i5r 1559 ax-14 2181 ax-ext 2189 ax-sep 4178 ax-pow 4234 ax-pr 4269 |
| This theorem depends on definitions: df-bi 117 df-3an 983 df-tru 1376 df-nf 1485 df-sb 1787 df-eu 2058 df-mo 2059 df-clab 2194 df-cleq 2200 df-clel 2203 df-nfc 2339 df-ral 2491 df-rex 2492 df-v 2778 df-un 3178 df-in 3180 df-ss 3187 df-pw 3628 df-sn 3649 df-pr 3650 df-op 3652 df-br 4060 df-opab 4122 df-xp 4699 df-cnv 4701 df-dm 4703 df-rn 4704 df-res 4705 df-ima 4706 |
| This theorem is referenced by: imaexg 5055 0ima 5061 cnvimass 5064 fimacnv 5732 f1opw2 6175 smores2 6403 ecss 6686 f1imaen2g 6908 fopwdom 6958 ssenen 6973 phplem4dom 6984 isinfinf 7020 fiintim 7054 sbthlem2 7086 sbthlemi3 7087 sbthlemi5 7089 sbthlemi6 7090 ctssdccl 7239 ctinf 12916 ssnnctlemct 12932 mhmima 13438 cnptoprest2 14827 hmeontr 14900 hmeores 14902 tgqioo 15142 domomsubct 16140 |
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