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Mirrors > Home > ILE Home > Th. List > addclnq0 | Unicode version |
Description: Closure of addition on non-negative fractions. (Contributed by Jim Kingdon, 29-Nov-2019.) |
Ref | Expression |
---|---|
addclnq0 | Q0 Q0 +Q0 Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nq0 6523 | . . 3 Q0 ~Q0 | |
2 | oveq1 5519 | . . . 4 ~Q0 ~Q0 +Q0 ~Q0 +Q0 ~Q0 | |
3 | 2 | eleq1d 2106 | . . 3 ~Q0 ~Q0 +Q0 ~Q0 ~Q0 +Q0 ~Q0 ~Q0 |
4 | oveq2 5520 | . . . 4 ~Q0 +Q0 ~Q0 +Q0 | |
5 | 4 | eleq1d 2106 | . . 3 ~Q0 +Q0 ~Q0 ~Q0 +Q0 ~Q0 |
6 | addnnnq0 6547 | . . . 4 ~Q0 +Q0 ~Q0 ~Q0 | |
7 | pinn 6407 | . . . . . . . . 9 | |
8 | nnmcl 6060 | . . . . . . . . 9 | |
9 | 7, 8 | sylan2 270 | . . . . . . . 8 |
10 | pinn 6407 | . . . . . . . . 9 | |
11 | nnmcl 6060 | . . . . . . . . 9 | |
12 | 10, 11 | sylan 267 | . . . . . . . 8 |
13 | nnacl 6059 | . . . . . . . 8 | |
14 | 9, 12, 13 | syl2an 273 | . . . . . . 7 |
15 | 14 | an42s 523 | . . . . . 6 |
16 | mulpiord 6415 | . . . . . . . 8 | |
17 | mulclpi 6426 | . . . . . . . 8 | |
18 | 16, 17 | eqeltrrd 2115 | . . . . . . 7 |
19 | 18 | ad2ant2l 477 | . . . . . 6 |
20 | 15, 19 | jca 290 | . . . . 5 |
21 | opelxpi 4376 | . . . . 5 | |
22 | enq0ex 6537 | . . . . . 6 ~Q0 | |
23 | 22 | ecelqsi 6160 | . . . . 5 ~Q0 ~Q0 |
24 | 20, 21, 23 | 3syl 17 | . . . 4 ~Q0 ~Q0 |
25 | 6, 24 | eqeltrd 2114 | . . 3 ~Q0 +Q0 ~Q0 ~Q0 |
26 | 1, 3, 5, 25 | 2ecoptocl 6194 | . 2 Q0 Q0 +Q0 ~Q0 |
27 | 26, 1 | syl6eleqr 2131 | 1 Q0 Q0 +Q0 Q0 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 97 wceq 1243 wcel 1393 cop 3378 com 4313 cxp 4343 (class class class)co 5512 coa 5998 comu 5999 cec 6104 cqs 6105 cnpi 6370 cmi 6372 ~Q0 ceq0 6384 Q0cnq0 6385 +Q0 cplq0 6387 |
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-nul 3883 ax-pow 3927 ax-pr 3944 ax-un 4170 ax-setind 4262 ax-iinf 4311 |
This theorem depends on definitions: df-bi 110 df-dc 743 df-3or 886 df-3an 887 df-tru 1246 df-fal 1249 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-ne 2206 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-nul 3225 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-tr 3855 df-id 4030 df-iord 4103 df-on 4105 df-suc 4108 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-ov 5515 df-oprab 5516 df-mpt2 5517 df-1st 5767 df-2nd 5768 df-recs 5920 df-irdg 5957 df-oadd 6005 df-omul 6006 df-er 6106 df-ec 6108 df-qs 6112 df-ni 6402 df-mi 6404 df-enq0 6522 df-nq0 6523 df-plq0 6525 |
This theorem is referenced by: distnq0r 6561 prarloclemcalc 6600 |
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