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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 4334 | . . . 4 | |
2 | niex 6502 | . . . 4 | |
3 | 1, 2 | xpex 4471 | . . 3 |
4 | 3, 3 | xpex 4471 | . 2 |
5 | df-enq0 6614 | . . 3 ~Q0 | |
6 | opabssxp 4432 | . . 3 | |
7 | 5, 6 | eqsstri 3029 | . 2 ~Q0 |
8 | 4, 7 | ssexi 3916 | 1 ~Q0 |
Colors of variables: wff set class |
Syntax hints: wa 102 wceq 1284 wex 1421 wcel 1433 cvv 2601 cop 3401 copab 3838 com 4331 cxp 4361 (class class class)co 5532 comu 6022 cnpi 6462 ~Q0 ceq0 6476 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-sep 3896 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-iinf 4329 |
This theorem depends on definitions: df-bi 115 df-3an 921 df-tru 1287 df-nf 1390 df-sb 1686 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ral 2353 df-rex 2354 df-v 2603 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-opab 3840 df-iom 4332 df-xp 4369 df-ni 6494 df-enq0 6614 |
This theorem is referenced by: nqnq0 6631 addnnnq0 6639 mulnnnq0 6640 addclnq0 6641 mulclnq0 6642 prarloclemcalc 6692 |
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