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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 3227 |
. 2
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3 | dfima3 4970 |
. 2
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4 | dfrn3 4813 |
. 2
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5 | 2, 3, 4 | 3sstr4i 3196 |
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 4119 ax-pow 4172 ax-pr 4207 |
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 2739 df-un 3133 df-in 3135 df-ss 3142 df-pw 3577 df-sn 3598 df-pr 3599 df-op 3601 df-br 4002 df-opab 4063 df-xp 4630 df-cnv 4632 df-dm 4634 df-rn 4635 df-res 4636 df-ima 4637 |
This theorem is referenced by: imaexg 4979 0ima 4985 cnvimass 4988 fimacnv 5642 f1opw2 6072 smores2 6290 ecss 6571 f1imaen2g 6788 fopwdom 6831 ssenen 6846 phplem4dom 6857 isinfinf 6892 fiintim 6923 sbthlem2 6952 sbthlemi3 6953 sbthlemi5 6955 sbthlemi6 6956 ctssdccl 7105 ctinf 12421 ssnnctlemct 12437 mhmima 12803 cnptoprest2 13522 hmeontr 13595 hmeores 13597 tgqioo 13829 |
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