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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 3251 |
. 2
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3 | dfima3 5008 |
. 2
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4 | dfrn3 4851 |
. 2
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5 | 2, 3, 4 | 3sstr4i 3220 |
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 4147 ax-pow 4203 ax-pr 4238 |
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 3157 df-in 3159 df-ss 3166 df-pw 3603 df-sn 3624 df-pr 3625 df-op 3627 df-br 4030 df-opab 4091 df-xp 4665 df-cnv 4667 df-dm 4669 df-rn 4670 df-res 4671 df-ima 4672 |
This theorem is referenced by: imaexg 5019 0ima 5025 cnvimass 5028 fimacnv 5687 f1opw2 6124 smores2 6347 ecss 6630 f1imaen2g 6847 fopwdom 6892 ssenen 6907 phplem4dom 6918 isinfinf 6953 fiintim 6985 sbthlem2 7017 sbthlemi3 7018 sbthlemi5 7020 sbthlemi6 7021 ctssdccl 7170 ctinf 12587 ssnnctlemct 12603 mhmima 13063 cnptoprest2 14408 hmeontr 14481 hmeores 14483 tgqioo 14715 |
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