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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 7113 | . . . 4 | |
2 | 1, 1 | xpex 4649 | . . 3 |
3 | 2, 2 | xpex 4649 | . 2 |
4 | df-enq 7148 | . . 3 | |
5 | opabssxp 4608 | . . 3 | |
6 | 4, 5 | eqsstri 3124 | . 2 |
7 | 3, 6 | ssexi 4061 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1331 wex 1468 wcel 1480 cvv 2681 cop 3525 copab 3983 cxp 4532 (class class class)co 5767 cnpi 7073 cmi 7075 ceq 7080 |
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 2119 ax-sep 4041 ax-pow 4093 ax-pr 4126 ax-un 4350 ax-iinf 4497 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-nf 1437 df-sb 1736 df-clab 2124 df-cleq 2130 df-clel 2133 df-nfc 2268 df-ral 2419 df-rex 2420 df-v 2683 df-dif 3068 df-un 3070 df-in 3072 df-ss 3079 df-pw 3507 df-sn 3528 df-pr 3529 df-op 3531 df-uni 3732 df-int 3767 df-opab 3985 df-iom 4500 df-xp 4540 df-ni 7105 df-enq 7148 |
This theorem is referenced by: 1nq 7167 addpipqqs 7171 mulpipqqs 7174 ordpipqqs 7175 addclnq 7176 mulclnq 7177 dmaddpq 7180 dmmulpq 7181 recexnq 7191 ltexnqq 7209 prarloclemarch 7219 prarloclemarch2 7220 nnnq 7223 nqpnq0nq 7254 prarloclemlt 7294 prarloclemlo 7295 prarloclemcalc 7303 nqprm 7343 |
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