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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 1629 |
. . 3
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2 | 1 | ss2abi 3252 |
. 2
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3 | dfima3 5009 |
. 2
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4 | dfrn3 4852 |
. 2
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5 | 2, 3, 4 | 3sstr4i 3221 |
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 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-14 2167 ax-ext 2175 ax-sep 4148 ax-pow 4204 ax-pr 4239 |
This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-nf 1472 df-sb 1774 df-eu 2045 df-mo 2046 df-clab 2180 df-cleq 2186 df-clel 2189 df-nfc 2325 df-ral 2477 df-rex 2478 df-v 2762 df-un 3158 df-in 3160 df-ss 3167 df-pw 3604 df-sn 3625 df-pr 3626 df-op 3628 df-br 4031 df-opab 4092 df-xp 4666 df-cnv 4668 df-dm 4670 df-rn 4671 df-res 4672 df-ima 4673 |
This theorem is referenced by: imaexg 5020 0ima 5026 cnvimass 5029 fimacnv 5688 f1opw2 6126 smores2 6349 ecss 6632 f1imaen2g 6849 fopwdom 6894 ssenen 6909 phplem4dom 6920 isinfinf 6955 fiintim 6987 sbthlem2 7019 sbthlemi3 7020 sbthlemi5 7022 sbthlemi6 7023 ctssdccl 7172 ctinf 12590 ssnnctlemct 12606 mhmima 13066 cnptoprest2 14419 hmeontr 14492 hmeores 14494 tgqioo 14734 |
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