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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 7215 | . . . 4 | |
2 | 1, 1 | xpex 4698 | . . 3 |
3 | 2, 2 | xpex 4698 | . 2 |
4 | df-enq 7250 | . . 3 | |
5 | opabssxp 4657 | . . 3 | |
6 | 4, 5 | eqsstri 3160 | . 2 |
7 | 3, 6 | ssexi 4102 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1335 wex 1472 wcel 2128 cvv 2712 cop 3563 copab 4024 cxp 4581 (class class class)co 5818 cnpi 7175 cmi 7177 ceq 7182 |
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 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4134 ax-pr 4168 ax-un 4392 ax-iinf 4545 |
This theorem depends on definitions: df-bi 116 df-3an 965 df-tru 1338 df-nf 1441 df-sb 1743 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ral 2440 df-rex 2441 df-v 2714 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-opab 4026 df-iom 4548 df-xp 4589 df-ni 7207 df-enq 7250 |
This theorem is referenced by: 1nq 7269 addpipqqs 7273 mulpipqqs 7276 ordpipqqs 7277 addclnq 7278 mulclnq 7279 dmaddpq 7282 dmmulpq 7283 recexnq 7293 ltexnqq 7311 prarloclemarch 7321 prarloclemarch2 7322 nnnq 7325 nqpnq0nq 7356 prarloclemlt 7396 prarloclemlo 7397 prarloclemcalc 7405 nqprm 7445 |
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