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Mirrors > Home > ILE Home > Th. List > addassnqg | Unicode version |
Description: Addition of positive fractions is associative. (Contributed by Jim Kingdon, 16-Sep-2019.) |
Ref | Expression |
---|---|
addassnqg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nqqs 6538 | . 2 | |
2 | addpipqqs 6560 | . 2 | |
3 | addpipqqs 6560 | . 2 | |
4 | addpipqqs 6560 | . 2 | |
5 | addpipqqs 6560 | . 2 | |
6 | mulclpi 6518 | . . . . 5 | |
7 | 6 | ad2ant2rl 494 | . . . 4 |
8 | mulclpi 6518 | . . . . 5 | |
9 | 8 | ad2ant2lr 493 | . . . 4 |
10 | addclpi 6517 | . . . 4 | |
11 | 7, 9, 10 | syl2anc 403 | . . 3 |
12 | mulclpi 6518 | . . . 4 | |
13 | 12 | ad2ant2l 491 | . . 3 |
14 | 11, 13 | jca 300 | . 2 |
15 | mulclpi 6518 | . . . . 5 | |
16 | 15 | ad2ant2rl 494 | . . . 4 |
17 | mulclpi 6518 | . . . . 5 | |
18 | 17 | ad2ant2lr 493 | . . . 4 |
19 | addclpi 6517 | . . . 4 | |
20 | 16, 18, 19 | syl2anc 403 | . . 3 |
21 | mulclpi 6518 | . . . 4 | |
22 | 21 | ad2ant2l 491 | . . 3 |
23 | 20, 22 | jca 300 | . 2 |
24 | simp1l 962 | . . . . 5 | |
25 | simp2r 965 | . . . . . 6 | |
26 | simp3r 967 | . . . . . 6 | |
27 | 25, 26, 21 | syl2anc 403 | . . . . 5 |
28 | mulclpi 6518 | . . . . 5 | |
29 | 24, 27, 28 | syl2anc 403 | . . . 4 |
30 | simp1r 963 | . . . . 5 | |
31 | simp2l 964 | . . . . . 6 | |
32 | 31, 26, 15 | syl2anc 403 | . . . . 5 |
33 | mulclpi 6518 | . . . . 5 | |
34 | 30, 32, 33 | syl2anc 403 | . . . 4 |
35 | simp3l 966 | . . . . . 6 | |
36 | 25, 35, 17 | syl2anc 403 | . . . . 5 |
37 | mulclpi 6518 | . . . . 5 | |
38 | 30, 36, 37 | syl2anc 403 | . . . 4 |
39 | addasspig 6520 | . . . 4 | |
40 | 29, 34, 38, 39 | syl3anc 1169 | . . 3 |
41 | mulcompig 6521 | . . . . . 6 | |
42 | 41 | adantl 271 | . . . . 5 |
43 | distrpig 6523 | . . . . . . . 8 | |
44 | 43 | 3coml 1145 | . . . . . . 7 |
45 | addclpi 6517 | . . . . . . . . . 10 | |
46 | mulcompig 6521 | . . . . . . . . . 10 | |
47 | 45, 46 | sylan2 280 | . . . . . . . . 9 |
48 | 47 | ancoms 264 | . . . . . . . 8 |
49 | 48 | 3impa 1133 | . . . . . . 7 |
50 | mulcompig 6521 | . . . . . . . . . 10 | |
51 | 50 | ancoms 264 | . . . . . . . . 9 |
52 | 51 | 3adant2 957 | . . . . . . . 8 |
53 | mulcompig 6521 | . . . . . . . . . 10 | |
54 | 53 | ancoms 264 | . . . . . . . . 9 |
55 | 54 | 3adant1 956 | . . . . . . . 8 |
56 | 52, 55 | oveq12d 5550 | . . . . . . 7 |
57 | 44, 49, 56 | 3eqtr3d 2121 | . . . . . 6 |
58 | 57 | adantl 271 | . . . . 5 |
59 | mulasspig 6522 | . . . . . 6 | |
60 | 59 | adantl 271 | . . . . 5 |
61 | mulclpi 6518 | . . . . . 6 | |
62 | 61 | adantl 271 | . . . . 5 |
63 | 42, 58, 60, 62, 24, 30, 25, 31, 26 | caovdilemd 5712 | . . . 4 |
64 | mulasspig 6522 | . . . . . . 7 | |
65 | 64 | 3adant1l 1161 | . . . . . 6 |
66 | 65 | 3adant2l 1163 | . . . . 5 |
67 | 66 | 3adant3r 1166 | . . . 4 |
68 | 63, 67 | oveq12d 5550 | . . 3 |
69 | distrpig 6523 | . . . . 5 | |
70 | 30, 32, 36, 69 | syl3anc 1169 | . . . 4 |
71 | 70 | oveq2d 5548 | . . 3 |
72 | 40, 68, 71 | 3eqtr4d 2123 | . 2 |
73 | mulasspig 6522 | . . . . 5 | |
74 | 73 | 3adant1l 1161 | . . . 4 |
75 | 74 | 3adant2l 1163 | . . 3 |
76 | 75 | 3adant3l 1165 | . 2 |
77 | 1, 2, 3, 4, 5, 14, 23, 72, 76 | ecoviass 6239 | 1 |
Colors of variables: wff set class |
Syntax hints: wi 4 wa 102 w3a 919 wceq 1284 wcel 1433 (class class class)co 5532 cnpi 6462 cpli 6463 cmi 6464 ceq 6469 cnq 6470 cplq 6472 |
This theorem was proved from axioms: ax-1 5 ax-2 6 ax-mp 7 ax-ia1 104 ax-ia2 105 ax-ia3 106 ax-in1 576 ax-in2 577 ax-io 662 ax-5 1376 ax-7 1377 ax-gen 1378 ax-ie1 1422 ax-ie2 1423 ax-8 1435 ax-10 1436 ax-11 1437 ax-i12 1438 ax-bndl 1439 ax-4 1440 ax-13 1444 ax-14 1445 ax-17 1459 ax-i9 1463 ax-ial 1467 ax-i5r 1468 ax-ext 2063 ax-coll 3893 ax-sep 3896 ax-nul 3904 ax-pow 3948 ax-pr 3964 ax-un 4188 ax-setind 4280 ax-iinf 4329 |
This theorem depends on definitions: df-bi 115 df-dc 776 df-3or 920 df-3an 921 df-tru 1287 df-fal 1290 df-nf 1390 df-sb 1686 df-eu 1944 df-mo 1945 df-clab 2068 df-cleq 2074 df-clel 2077 df-nfc 2208 df-ne 2246 df-ral 2353 df-rex 2354 df-reu 2355 df-rab 2357 df-v 2603 df-sbc 2816 df-csb 2909 df-dif 2975 df-un 2977 df-in 2979 df-ss 2986 df-nul 3252 df-pw 3384 df-sn 3404 df-pr 3405 df-op 3407 df-uni 3602 df-int 3637 df-iun 3680 df-br 3786 df-opab 3840 df-mpt 3841 df-tr 3876 df-id 4048 df-iord 4121 df-on 4123 df-suc 4126 df-iom 4332 df-xp 4369 df-rel 4370 df-cnv 4371 df-co 4372 df-dm 4373 df-rn 4374 df-res 4375 df-ima 4376 df-iota 4887 df-fun 4924 df-fn 4925 df-f 4926 df-f1 4927 df-fo 4928 df-f1o 4929 df-fv 4930 df-ov 5535 df-oprab 5536 df-mpt2 5537 df-1st 5787 df-2nd 5788 df-recs 5943 df-irdg 5980 df-oadd 6028 df-omul 6029 df-er 6129 df-ec 6131 df-qs 6135 df-ni 6494 df-pli 6495 df-mi 6496 df-plpq 6534 df-enq 6537 df-nqqs 6538 df-plqqs 6539 |
This theorem is referenced by: ltaddnq 6597 addlocprlemeqgt 6722 addassprg 6769 ltexprlemloc 6797 ltexprlemrl 6800 ltexprlemru 6802 addcanprleml 6804 addcanprlemu 6805 cauappcvgprlemdisj 6841 cauappcvgprlemloc 6842 cauappcvgprlemladdfl 6845 cauappcvgprlemladdru 6846 cauappcvgprlemladdrl 6847 cauappcvgprlem1 6849 caucvgprlemloc 6865 caucvgprlemladdrl 6868 caucvgprprlemloccalc 6874 |
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