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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 7120 | . . . 4 | |
2 | 1, 1 | xpex 4654 | . . 3 |
3 | 2, 2 | xpex 4654 | . 2 |
4 | df-enq 7155 | . . 3 | |
5 | opabssxp 4613 | . . 3 | |
6 | 4, 5 | eqsstri 3129 | . 2 |
7 | 3, 6 | ssexi 4066 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1331 wex 1468 wcel 1480 cvv 2686 cop 3530 copab 3988 cxp 4537 (class class class)co 5774 cnpi 7080 cmi 7082 ceq 7087 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-iinf 4502 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ral 2421 df-rex 2422 df-v 2688 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-int 3772 df-opab 3990 df-iom 4505 df-xp 4545 df-ni 7112 df-enq 7155 |
This theorem is referenced by: 1nq 7174 addpipqqs 7178 mulpipqqs 7181 ordpipqqs 7182 addclnq 7183 mulclnq 7184 dmaddpq 7187 dmmulpq 7188 recexnq 7198 ltexnqq 7216 prarloclemarch 7226 prarloclemarch2 7227 nnnq 7230 nqpnq0nq 7261 prarloclemlt 7301 prarloclemlo 7302 prarloclemcalc 7310 nqprm 7350 |
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