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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 7253 | . . . 4 | |
2 | 1, 1 | xpex 4719 | . . 3 |
3 | 2, 2 | xpex 4719 | . 2 |
4 | df-enq 7288 | . . 3 | |
5 | opabssxp 4678 | . . 3 | |
6 | 4, 5 | eqsstri 3174 | . 2 |
7 | 3, 6 | ssexi 4120 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1343 wex 1480 wcel 2136 cvv 2726 cop 3579 copab 4042 cxp 4602 (class class class)co 5842 cnpi 7213 cmi 7215 ceq 7220 |
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 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-iinf 4565 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-opab 4044 df-iom 4568 df-xp 4610 df-ni 7245 df-enq 7288 |
This theorem is referenced by: 1nq 7307 addpipqqs 7311 mulpipqqs 7314 ordpipqqs 7315 addclnq 7316 mulclnq 7317 dmaddpq 7320 dmmulpq 7321 recexnq 7331 ltexnqq 7349 prarloclemarch 7359 prarloclemarch2 7360 nnnq 7363 nqpnq0nq 7394 prarloclemlt 7434 prarloclemlo 7435 prarloclemcalc 7443 nqprm 7483 |
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