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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 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | exsimpr 1618 |
. . 3
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2 | 1 | ss2abi 3229 |
. 2
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3 | dfima3 4975 |
. 2
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4 | dfrn3 4818 |
. 2
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5 | 2, 3, 4 | 3sstr4i 3198 |
1
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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 709 ax-5 1447 ax-7 1448 ax-gen 1449 ax-ie1 1493 ax-ie2 1494 ax-8 1504 ax-10 1505 ax-11 1506 ax-i12 1507 ax-bndl 1509 ax-4 1510 ax-17 1526 ax-i9 1530 ax-ial 1534 ax-i5r 1535 ax-14 2151 ax-ext 2159 ax-sep 4123 ax-pow 4176 ax-pr 4211 |
This theorem depends on definitions: df-bi 117 df-3an 980 df-tru 1356 df-nf 1461 df-sb 1763 df-eu 2029 df-mo 2030 df-clab 2164 df-cleq 2170 df-clel 2173 df-nfc 2308 df-ral 2460 df-rex 2461 df-v 2741 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-br 4006 df-opab 4067 df-xp 4634 df-cnv 4636 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 |
This theorem is referenced by: imaexg 4984 0ima 4990 cnvimass 4993 fimacnv 5648 f1opw2 6080 smores2 6298 ecss 6579 f1imaen2g 6796 fopwdom 6839 ssenen 6854 phplem4dom 6865 isinfinf 6900 fiintim 6931 sbthlem2 6960 sbthlemi3 6961 sbthlemi5 6963 sbthlemi6 6964 ctssdccl 7113 ctinf 12434 ssnnctlemct 12450 mhmima 12882 cnptoprest2 13901 hmeontr 13974 hmeores 13976 tgqioo 14208 |
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