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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 7475 |
. . . 4
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2 | 1, 1 | xpex 4743 |
. . 3
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3 | 2, 2 | xpex 4743 |
. 2
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4 | df-enr 7728 |
. . 3
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5 | opabssxp 4702 |
. . 3
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6 | 4, 5 | eqsstri 3189 |
. 2
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7 | 3, 6 | ssexi 4143 |
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-in1 614 ax-in2 615 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-13 2150 ax-14 2151 ax-ext 2159 ax-coll 4120 ax-sep 4123 ax-pow 4176 ax-pr 4211 ax-un 4435 ax-iinf 4589 |
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-reu 2462 df-rab 2464 df-v 2741 df-sbc 2965 df-csb 3060 df-dif 3133 df-un 3135 df-in 3137 df-ss 3144 df-pw 3579 df-sn 3600 df-pr 3601 df-op 3603 df-uni 3812 df-int 3847 df-iun 3890 df-br 4006 df-opab 4067 df-mpt 4068 df-id 4295 df-iom 4592 df-xp 4634 df-rel 4635 df-cnv 4636 df-co 4637 df-dm 4638 df-rn 4639 df-res 4640 df-ima 4641 df-iota 5180 df-fun 5220 df-fn 5221 df-f 5222 df-f1 5223 df-fo 5224 df-f1o 5225 df-fv 5226 df-qs 6544 df-ni 7306 df-nqqs 7350 df-inp 7468 df-enr 7728 |
This theorem is referenced by: addsrpr 7747 mulsrpr 7748 ltsrprg 7749 0r 7752 1sr 7753 m1r 7754 addclsr 7755 mulclsr 7756 recexgt0sr 7775 prsrcl 7786 ltpsrprg 7805 mappsrprg 7806 suplocsrlemb 7808 pitonnlem2 7849 pitonn 7850 pitore 7852 recnnre 7853 |
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