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Mirrors > Home > ILE Home > Th. List > coexg | Unicode version |
Description: The composition of two sets is a set. (Contributed by NM, 19-Mar-1998.) |
Ref | Expression |
---|---|
coexg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cossxp 5188 |
. 2
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2 | dmexg 4926 |
. . 3
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3 | rnexg 4927 |
. . 3
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4 | xpexg 4773 |
. . 3
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5 | 2, 3, 4 | syl2anr 290 |
. 2
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6 | ssexg 4168 |
. 2
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7 | 1, 5, 6 | sylancr 414 |
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-13 2166 ax-14 2167 ax-ext 2175 ax-sep 4147 ax-pow 4203 ax-pr 4238 ax-un 4464 |
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-uni 3836 df-br 4030 df-opab 4091 df-xp 4665 df-rel 4666 df-cnv 4667 df-co 4668 df-dm 4669 df-rn 4670 |
This theorem is referenced by: coex 5211 seqf1oglem2 10591 seqf1og 10592 gsumwmhm 13070 gsumfzreidx 13407 gsumfzmhm 13413 znval 14124 znle 14125 znbaslemnn 14127 climcncf 14739 |
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