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Mirrors > Home > ILE Home > Th. List > dmaddpqlem | Unicode version |
Description: Decomposition of a positive fraction into numerator and denominator. Lemma for dmaddpq 6477. (Contributed by Jim Kingdon, 15-Sep-2019.) |
Ref | Expression |
---|---|
dmaddpqlem |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elqsi 6158 | . . 3 | |
2 | elxpi 4361 | . . . . . . . 8 | |
3 | simpl 102 | . . . . . . . . 9 | |
4 | 3 | 2eximi 1492 | . . . . . . . 8 |
5 | 2, 4 | syl 14 | . . . . . . 7 |
6 | 5 | anim1i 323 | . . . . . 6 |
7 | 19.41vv 1783 | . . . . . 6 | |
8 | 6, 7 | sylibr 137 | . . . . 5 |
9 | simpr 103 | . . . . . . 7 | |
10 | eceq1 6141 | . . . . . . . 8 | |
11 | 10 | adantr 261 | . . . . . . 7 |
12 | 9, 11 | eqtrd 2072 | . . . . . 6 |
13 | 12 | 2eximi 1492 | . . . . 5 |
14 | 8, 13 | syl 14 | . . . 4 |
15 | 14 | rexlimiva 2428 | . . 3 |
16 | 1, 15 | syl 14 | . 2 |
17 | df-nqqs 6446 | . 2 | |
18 | 16, 17 | eleq2s 2132 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wceq 1243 wex 1381 wcel 1393 wrex 2307 cop 3378 cxp 4343 cec 6104 cqs 6105 cnpi 6370 ceq 6377 cnq 6378 |
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-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-17 1419 ax-i9 1423 ax-ial 1427 ax-i5r 1428 ax-ext 2022 |
This theorem depends on definitions: df-bi 110 df-3an 887 df-tru 1246 df-nf 1350 df-sb 1646 df-clab 2027 df-cleq 2033 df-clel 2036 df-nfc 2167 df-ral 2311 df-rex 2312 df-v 2559 df-un 2922 df-in 2924 df-ss 2931 df-sn 3381 df-pr 3382 df-op 3384 df-br 3765 df-opab 3819 df-xp 4351 df-cnv 4353 df-dm 4355 df-rn 4356 df-res 4357 df-ima 4358 df-ec 6108 df-qs 6112 df-nqqs 6446 |
This theorem is referenced by: dmaddpq 6477 dmmulpq 6478 |
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