Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > enq0breq | Unicode version |
Description: Equivalence relation for nonnegative fractions in terms of natural numbers. (Contributed by NM, 27-Aug-1995.) |
Ref | Expression |
---|---|
enq0breq | ~Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq12 5851 | . . . . . 6 | |
2 | oveq12 5851 | . . . . . 6 | |
3 | 1, 2 | eqeqan12d 2181 | . . . . 5 |
4 | 3 | an42s 579 | . . . 4 |
5 | 4 | copsex4g 4225 | . . 3 |
6 | 5 | anbi2d 460 | . 2 |
7 | opexg 4206 | . . 3 | |
8 | opexg 4206 | . . 3 | |
9 | eleq1 2229 | . . . . . 6 | |
10 | 9 | anbi1d 461 | . . . . 5 |
11 | eqeq1 2172 | . . . . . . . 8 | |
12 | 11 | anbi1d 461 | . . . . . . 7 |
13 | 12 | anbi1d 461 | . . . . . 6 |
14 | 13 | 4exbidv 1858 | . . . . 5 |
15 | 10, 14 | anbi12d 465 | . . . 4 |
16 | eleq1 2229 | . . . . . 6 | |
17 | 16 | anbi2d 460 | . . . . 5 |
18 | eqeq1 2172 | . . . . . . . 8 | |
19 | 18 | anbi2d 460 | . . . . . . 7 |
20 | 19 | anbi1d 461 | . . . . . 6 |
21 | 20 | 4exbidv 1858 | . . . . 5 |
22 | 17, 21 | anbi12d 465 | . . . 4 |
23 | df-enq0 7365 | . . . 4 ~Q0 | |
24 | 15, 22, 23 | brabg 4247 | . . 3 ~Q0 |
25 | 7, 8, 24 | syl2an 287 | . 2 ~Q0 |
26 | opelxpi 4636 | . . . 4 | |
27 | opelxpi 4636 | . . . 4 | |
28 | 26, 27 | anim12i 336 | . . 3 |
29 | 28 | biantrurd 303 | . 2 |
30 | 6, 25, 29 | 3bitr4d 219 | 1 ~Q0 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wb 104 wceq 1343 wex 1480 wcel 2136 cvv 2726 cop 3579 class class class wbr 3982 com 4567 cxp 4602 (class class class)co 5842 comu 6382 cnpi 7213 ~Q0 ceq0 7227 |
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-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ral 2449 df-rex 2450 df-v 2728 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-xp 4610 df-iota 5153 df-fv 5196 df-ov 5845 df-enq0 7365 |
This theorem is referenced by: enq0eceq 7378 nqnq0pi 7379 addcmpblnq0 7384 mulcmpblnq0 7385 mulcanenq0ec 7386 nnnq0lem1 7387 |
Copyright terms: Public domain | W3C validator |