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Mirrors > Home > ILE Home > Th. List > enrex | Unicode version |
Description: The equivalence relation for signed reals exists. (Contributed by NM, 25-Jul-1995.) |
Ref | Expression |
---|---|
enrex |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | npex 6663 |
. . . 4
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2 | 1, 1 | xpex 4471 |
. . 3
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3 | 2, 2 | xpex 4471 |
. 2
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4 | df-enr 6903 |
. . 3
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5 | opabssxp 4432 |
. . 3
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6 | 4, 5 | eqsstri 3029 |
. 2
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7 | 3, 6 | ssexi 3916 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-iinf 4329 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-id 4048 df-iom 4332 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-qs 6135 df-ni 6494 df-nqqs 6538 df-inp 6656 df-enr 6903 |
This theorem is referenced by: addsrpr 6922 mulsrpr 6923 ltsrprg 6924 0r 6927 1sr 6928 m1r 6929 addclsr 6930 mulclsr 6931 recexgt0sr 6950 prsrcl 6960 pitonnlem2 7015 pitonn 7016 pitore 7018 recnnre 7019 |
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