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Mirrors > Home > ILE Home > Th. List > prcdnql | Unicode version |
Description: A lower cut is closed downwards under the positive fractions. (Contributed by Jim Kingdon, 28-Sep-2019.) |
Ref | Expression |
---|---|
prcdnql |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ltrelnq 6463 | . . . . . 6 | |
2 | 1 | brel 4392 | . . . . 5 |
3 | 2 | simpld 105 | . . . 4 |
4 | 3 | adantl 262 | . . 3 |
5 | breq1 3767 | . . . . . . 7 | |
6 | eleq1 2100 | . . . . . . 7 | |
7 | 5, 6 | imbi12d 223 | . . . . . 6 |
8 | 7 | imbi2d 219 | . . . . 5 |
9 | 1 | brel 4392 | . . . . . . . . 9 |
10 | 9 | ancomd 254 | . . . . . . . 8 |
11 | an42 521 | . . . . . . . . 9 | |
12 | breq2 3768 | . . . . . . . . . . . . . . . 16 | |
13 | eleq1 2100 | . . . . . . . . . . . . . . . 16 | |
14 | 12, 13 | anbi12d 442 | . . . . . . . . . . . . . . 15 |
15 | 14 | rspcev 2656 | . . . . . . . . . . . . . 14 |
16 | elinp 6572 | . . . . . . . . . . . . . . . 16 | |
17 | simpr1l 961 | . . . . . . . . . . . . . . . 16 | |
18 | 16, 17 | sylbi 114 | . . . . . . . . . . . . . . 15 |
19 | 18 | r19.21bi 2407 | . . . . . . . . . . . . . 14 |
20 | 15, 19 | syl5ibrcom 146 | . . . . . . . . . . . . 13 |
21 | 20 | 3impb 1100 | . . . . . . . . . . . 12 |
22 | 21 | 3com12 1108 | . . . . . . . . . . 11 |
23 | 22 | 3expib 1107 | . . . . . . . . . 10 |
24 | 23 | impd 242 | . . . . . . . . 9 |
25 | 11, 24 | syl5bi 141 | . . . . . . . 8 |
26 | 10, 25 | mpand 405 | . . . . . . 7 |
27 | 26 | com12 27 | . . . . . 6 |
28 | 27 | ancoms 255 | . . . . 5 |
29 | 8, 28 | vtoclg 2613 | . . . 4 |
30 | 29 | impd 242 | . . 3 |
31 | 4, 30 | mpcom 32 | . 2 |
32 | 31 | ex 108 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 97 wb 98 wo 629 w3a 885 wceq 1243 wcel 1393 wral 2306 wrex 2307 wss 2917 cop 3378 class class class wbr 3764 cnq 6378 cltq 6383 cnp 6389 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 99 ax-ia2 100 ax-ia3 101 ax-in1 544 ax-in2 545 ax-io 630 ax-5 1336 ax-7 1337 ax-gen 1338 ax-ie1 1382 ax-ie2 1383 ax-8 1395 ax-10 1396 ax-11 1397 ax-i12 1398 ax-bndl 1399 ax-4 1400 ax-13 1404 ax-14 1405 ax-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 ax-coll 3872 ax-sep 3875 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-iinf 4311 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-eu 1903 df-mo 1904 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-reu 2313 df-rab 2315 df-v 2559 df-sbc 2765 df-csb 2853 df-dif 2920 df-un 2922 df-in 2924 df-ss 2931 df-pw 3361 df-sn 3381 df-pr 3382 df-op 3384 df-uni 3581 df-int 3616 df-iun 3659 df-br 3765 df-opab 3819 df-mpt 3820 df-id 4030 df-iom 4314 df-xp 4351 df-rel 4352 df-cnv 4353 df-co 4354 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-iota 4867 df-fun 4904 df-fn 4905 df-f 4906 df-f1 4907 df-fo 4908 df-f1o 4909 df-fv 4910 df-qs 6112 df-ni 6402 df-nqqs 6446 df-ltnqqs 6451 df-inp 6564 |
This theorem is referenced by: prubl 6584 addnqprllem 6625 nqprl 6649 mulnqprl 6666 distrlem4prl 6682 ltprordil 6687 1idprl 6688 ltpopr 6693 ltaddpr 6695 ltexprlemlol 6700 ltexprlemfl 6707 ltexprlemrl 6708 aptiprleml 6737 aptiprlemu 6738 archrecpr 6762 caucvgprprlemml 6792 |
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