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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 7669 |
. . . 4
| |
| 2 | 1, 1 | xpex 4886 |
. . 3
|
| 3 | 2, 2 | xpex 4886 |
. 2
|
| 4 | df-enq 7704 |
. . 3
| |
| 5 | opabssxp 4844 |
. . 3
| |
| 6 | 4, 5 | eqsstri 3280 |
. 2
|
| 7 | 3, 6 | ssexi 4266 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-sep 4244 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-iinf 4730 |
| This theorem depends on definitions: df-bi 117 df-3an 1011 df-tru 1405 df-nf 1514 df-sb 1816 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ral 2533 df-rex 2534 df-v 2823 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-opab 4188 df-iom 4733 df-xp 4775 df-ni 7661 df-enq 7704 |
| This theorem is referenced by: 1nq 7723 addpipqqs 7727 mulpipqqs 7730 ordpipqqs 7731 addclnq 7732 mulclnq 7733 dmaddpq 7736 dmmulpq 7737 recexnq 7747 ltexnqq 7765 prarloclemarch 7775 prarloclemarch2 7776 nnnq 7779 nqpnq0nq 7810 prarloclemlt 7850 prarloclemlo 7851 prarloclemcalc 7859 nqprm 7899 |
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