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Mirrors > Home > ILE Home > Th. List > addclnq0 | Unicode version |
Description: Closure of addition on nonnegative fractions. (Contributed by Jim Kingdon, 29-Nov-2019.) |
Ref | Expression |
---|---|
addclnq0 | Q0 Q0 +Q0 Q0 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nq0 7366 | . . 3 Q0 ~Q0 | |
2 | oveq1 5849 | . . . 4 ~Q0 ~Q0 +Q0 ~Q0 +Q0 ~Q0 | |
3 | 2 | eleq1d 2235 | . . 3 ~Q0 ~Q0 +Q0 ~Q0 ~Q0 +Q0 ~Q0 ~Q0 |
4 | oveq2 5850 | . . . 4 ~Q0 +Q0 ~Q0 +Q0 | |
5 | 4 | eleq1d 2235 | . . 3 ~Q0 +Q0 ~Q0 ~Q0 +Q0 ~Q0 |
6 | addnnnq0 7390 | . . . 4 ~Q0 +Q0 ~Q0 ~Q0 | |
7 | pinn 7250 | . . . . . . . . 9 | |
8 | nnmcl 6449 | . . . . . . . . 9 | |
9 | 7, 8 | sylan2 284 | . . . . . . . 8 |
10 | pinn 7250 | . . . . . . . . 9 | |
11 | nnmcl 6449 | . . . . . . . . 9 | |
12 | 10, 11 | sylan 281 | . . . . . . . 8 |
13 | nnacl 6448 | . . . . . . . 8 | |
14 | 9, 12, 13 | syl2an 287 | . . . . . . 7 |
15 | 14 | an42s 579 | . . . . . 6 |
16 | mulpiord 7258 | . . . . . . . 8 | |
17 | mulclpi 7269 | . . . . . . . 8 | |
18 | 16, 17 | eqeltrrd 2244 | . . . . . . 7 |
19 | 18 | ad2ant2l 500 | . . . . . 6 |
20 | 15, 19 | jca 304 | . . . . 5 |
21 | opelxpi 4636 | . . . . 5 | |
22 | enq0ex 7380 | . . . . . 6 ~Q0 | |
23 | 22 | ecelqsi 6555 | . . . . 5 ~Q0 ~Q0 |
24 | 20, 21, 23 | 3syl 17 | . . . 4 ~Q0 ~Q0 |
25 | 6, 24 | eqeltrd 2243 | . . 3 ~Q0 +Q0 ~Q0 ~Q0 |
26 | 1, 3, 5, 25 | 2ecoptocl 6589 | . 2 Q0 Q0 +Q0 ~Q0 |
27 | 26, 1 | eleqtrrdi 2260 | 1 Q0 Q0 +Q0 Q0 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 103 wceq 1343 wcel 2136 cop 3579 com 4567 cxp 4602 (class class class)co 5842 coa 6381 comu 6382 cec 6499 cqs 6500 cnpi 7213 cmi 7215 ~Q0 ceq0 7227 Q0cnq0 7228 +Q0 cplq0 7230 |
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 604 ax-in2 605 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-13 2138 ax-14 2139 ax-ext 2147 ax-coll 4097 ax-sep 4100 ax-nul 4108 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-iinf 4565 |
This theorem depends on definitions: df-bi 116 df-dc 825 df-3or 969 df-3an 970 df-tru 1346 df-fal 1349 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-ne 2337 df-ral 2449 df-rex 2450 df-reu 2451 df-rab 2453 df-v 2728 df-sbc 2952 df-csb 3046 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-nul 3410 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-int 3825 df-iun 3868 df-br 3983 df-opab 4044 df-mpt 4045 df-tr 4081 df-id 4271 df-iord 4344 df-on 4346 df-suc 4349 df-iom 4568 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-rn 4615 df-res 4616 df-ima 4617 df-iota 5153 df-fun 5190 df-fn 5191 df-f 5192 df-f1 5193 df-fo 5194 df-f1o 5195 df-fv 5196 df-ov 5845 df-oprab 5846 df-mpo 5847 df-1st 6108 df-2nd 6109 df-recs 6273 df-irdg 6338 df-oadd 6388 df-omul 6389 df-er 6501 df-ec 6503 df-qs 6507 df-ni 7245 df-mi 7247 df-enq0 7365 df-nq0 7366 df-plq0 7368 |
This theorem is referenced by: distnq0r 7404 prarloclemcalc 7443 |
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