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Mirrors > Home > ILE Home > Th. List > enq0ex | Unicode version |
Description: The equivalence relation for positive fractions exists. (Contributed by Jim Kingdon, 18-Nov-2019.) |
Ref | Expression |
---|---|
enq0ex | ~Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | omex 4515 | . . . 4 | |
2 | niex 7144 | . . . 4 | |
3 | 1, 2 | xpex 4662 | . . 3 |
4 | 3, 3 | xpex 4662 | . 2 |
5 | df-enq0 7256 | . . 3 ~Q0 | |
6 | opabssxp 4621 | . . 3 | |
7 | 5, 6 | eqsstri 3134 | . 2 ~Q0 |
8 | 4, 7 | ssexi 4074 | 1 ~Q0 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1332 wex 1469 wcel 1481 cvv 2689 cop 3535 copab 3996 com 4512 cxp 4545 (class class class)co 5782 comu 6319 cnpi 7104 ~Q0 ceq0 7118 |
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-enq0 7256 |
This theorem is referenced by: nqnq0 7273 addnnnq0 7281 mulnnnq0 7282 addclnq0 7283 mulclnq0 7284 prarloclemcalc 7334 |
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