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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 7520 |
. . . 4
| |
| 2 | 1, 1 | xpex 4838 |
. . 3
|
| 3 | 2, 2 | xpex 4838 |
. 2
|
| 4 | df-enq 7555 |
. . 3
| |
| 5 | opabssxp 4796 |
. . 3
| |
| 6 | 4, 5 | eqsstri 3257 |
. 2
|
| 7 | 3, 6 | ssexi 4223 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-sep 4203 ax-pow 4260 ax-pr 4295 ax-un 4526 ax-iinf 4682 |
| This theorem depends on definitions: df-bi 117 df-3an 1004 df-tru 1398 df-nf 1507 df-sb 1809 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ral 2513 df-rex 2514 df-v 2802 df-dif 3200 df-un 3202 df-in 3204 df-ss 3211 df-pw 3652 df-sn 3673 df-pr 3674 df-op 3676 df-uni 3890 df-int 3925 df-opab 4147 df-iom 4685 df-xp 4727 df-ni 7512 df-enq 7555 |
| This theorem is referenced by: 1nq 7574 addpipqqs 7578 mulpipqqs 7581 ordpipqqs 7582 addclnq 7583 mulclnq 7584 dmaddpq 7587 dmmulpq 7588 recexnq 7598 ltexnqq 7616 prarloclemarch 7626 prarloclemarch2 7627 nnnq 7630 nqpnq0nq 7661 prarloclemlt 7701 prarloclemlo 7702 prarloclemcalc 7710 nqprm 7750 |
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