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Mirrors > Home > ILE Home > Th. List > enqex | Unicode version |
Description: The equivalence relation for positive fractions exists. (Contributed by NM, 3-Sep-1995.) |
Ref | Expression |
---|---|
enqex |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | niex 7144 | . . . 4 | |
2 | 1, 1 | xpex 4662 | . . 3 |
3 | 2, 2 | xpex 4662 | . 2 |
4 | df-enq 7179 | . . 3 | |
5 | opabssxp 4621 | . . 3 | |
6 | 4, 5 | eqsstri 3134 | . 2 |
7 | 3, 6 | ssexi 4074 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1332 wex 1469 wcel 1481 cvv 2689 cop 3535 copab 3996 cxp 4545 (class class class)co 5782 cnpi 7104 cmi 7106 ceq 7111 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1424 ax-7 1425 ax-gen 1426 ax-ie1 1470 ax-ie2 1471 ax-8 1483 ax-10 1484 ax-11 1485 ax-i12 1486 ax-bndl 1487 ax-4 1488 ax-13 1492 ax-14 1493 ax-17 1507 ax-i9 1511 ax-ial 1515 ax-i5r 1516 ax-ext 2122 ax-sep 4054 ax-pow 4106 ax-pr 4139 ax-un 4363 ax-iinf 4510 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1335 df-nf 1438 df-sb 1737 df-clab 2127 df-cleq 2133 df-clel 2136 df-nfc 2271 df-ral 2422 df-rex 2423 df-v 2691 df-dif 3078 df-un 3080 df-in 3082 df-ss 3089 df-pw 3517 df-sn 3538 df-pr 3539 df-op 3541 df-uni 3745 df-int 3780 df-opab 3998 df-iom 4513 df-xp 4553 df-ni 7136 df-enq 7179 |
This theorem is referenced by: 1nq 7198 addpipqqs 7202 mulpipqqs 7205 ordpipqqs 7206 addclnq 7207 mulclnq 7208 dmaddpq 7211 dmmulpq 7212 recexnq 7222 ltexnqq 7240 prarloclemarch 7250 prarloclemarch2 7251 nnnq 7254 nqpnq0nq 7285 prarloclemlt 7325 prarloclemlo 7326 prarloclemcalc 7334 nqprm 7374 |
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