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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 7274 | . . . 4 | |
2 | 1, 1 | xpex 4726 | . . 3 |
3 | 2, 2 | xpex 4726 | . 2 |
4 | df-enq 7309 | . . 3 | |
5 | opabssxp 4685 | . . 3 | |
6 | 4, 5 | eqsstri 3179 | . 2 |
7 | 3, 6 | ssexi 4127 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1348 wex 1485 wcel 2141 cvv 2730 cop 3586 copab 4049 cxp 4609 (class class class)co 5853 cnpi 7234 cmi 7236 ceq 7241 |
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 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-sep 4107 ax-pow 4160 ax-pr 4194 ax-un 4418 ax-iinf 4572 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-v 2732 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3568 df-sn 3589 df-pr 3590 df-op 3592 df-uni 3797 df-int 3832 df-opab 4051 df-iom 4575 df-xp 4617 df-ni 7266 df-enq 7309 |
This theorem is referenced by: 1nq 7328 addpipqqs 7332 mulpipqqs 7335 ordpipqqs 7336 addclnq 7337 mulclnq 7338 dmaddpq 7341 dmmulpq 7342 recexnq 7352 ltexnqq 7370 prarloclemarch 7380 prarloclemarch2 7381 nnnq 7384 nqpnq0nq 7415 prarloclemlt 7455 prarloclemlo 7456 prarloclemcalc 7464 nqprm 7504 |
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