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Mirrors > Home > ILE Home > Th. List > mulassnqg | Unicode version |
Description: Multiplication of positive fractions is associative. (Contributed by Jim Kingdon, 17-Sep-2019.) |
Ref | Expression |
---|---|
mulassnqg |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-nqqs 6600 |
. 2
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2 | mulpipqqs 6625 |
. 2
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3 | mulpipqqs 6625 |
. 2
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4 | mulpipqqs 6625 |
. 2
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5 | mulpipqqs 6625 |
. 2
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6 | mulclpi 6580 |
. . . 4
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7 | 6 | ad2ant2r 493 |
. . 3
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8 | mulclpi 6580 |
. . . 4
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9 | 8 | ad2ant2l 492 |
. . 3
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10 | 7, 9 | jca 300 |
. 2
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11 | mulclpi 6580 |
. . . 4
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12 | 11 | ad2ant2r 493 |
. . 3
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13 | mulclpi 6580 |
. . . 4
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14 | 13 | ad2ant2l 492 |
. . 3
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15 | 12, 14 | jca 300 |
. 2
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16 | mulasspig 6584 |
. . . . 5
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17 | 16 | 3adant1r 1163 |
. . . 4
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18 | 17 | 3adant2r 1165 |
. . 3
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19 | 18 | 3adant3r 1167 |
. 2
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20 | mulasspig 6584 |
. . . . 5
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21 | 20 | 3adant1l 1162 |
. . . 4
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22 | 21 | 3adant2l 1164 |
. . 3
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23 | 22 | 3adant3l 1166 |
. 2
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24 | 1, 2, 3, 4, 5, 10, 15, 19, 23 | ecoviass 6282 |
1
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Colors of variables: wff set class |
Syntax hints: ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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 577 ax-in2 578 ax-io 663 ax-5 1377 ax-7 1378 ax-gen 1379 ax-ie1 1423 ax-ie2 1424 ax-8 1436 ax-10 1437 ax-11 1438 ax-i12 1439 ax-bndl 1440 ax-4 1441 ax-13 1445 ax-14 1446 ax-17 1460 ax-i9 1464 ax-ial 1468 ax-i5r 1469 ax-ext 2064 ax-coll 3901 ax-sep 3904 ax-nul 3912 ax-pow 3956 ax-pr 3972 ax-un 4196 ax-setind 4288 ax-iinf 4337 |
This theorem depends on definitions: df-bi 115 df-dc 777 df-3or 921 df-3an 922 df-tru 1288 df-fal 1291 df-nf 1391 df-sb 1687 df-eu 1945 df-mo 1946 df-clab 2069 df-cleq 2075 df-clel 2078 df-nfc 2209 df-ne 2247 df-ral 2354 df-rex 2355 df-reu 2356 df-rab 2358 df-v 2604 df-sbc 2817 df-csb 2910 df-dif 2976 df-un 2978 df-in 2980 df-ss 2987 df-nul 3259 df-pw 3392 df-sn 3412 df-pr 3413 df-op 3415 df-uni 3610 df-int 3645 df-iun 3688 df-br 3794 df-opab 3848 df-mpt 3849 df-tr 3884 df-id 4056 df-iord 4129 df-on 4131 df-suc 4134 df-iom 4340 df-xp 4377 df-rel 4378 df-cnv 4379 df-co 4380 df-dm 4381 df-rn 4382 df-res 4383 df-ima 4384 df-iota 4897 df-fun 4934 df-fn 4935 df-f 4936 df-f1 4937 df-fo 4938 df-f1o 4939 df-fv 4940 df-ov 5546 df-oprab 5547 df-mpt2 5548 df-1st 5798 df-2nd 5799 df-recs 5954 df-irdg 6019 df-oadd 6069 df-omul 6070 df-er 6172 df-ec 6174 df-qs 6178 df-ni 6556 df-mi 6558 df-mpq 6597 df-enq 6599 df-nqqs 6600 df-mqqs 6602 |
This theorem is referenced by: recmulnqg 6643 halfnqq 6662 prarloclemarch 6670 ltrnqg 6672 addnqprl 6781 addnqpru 6782 appdivnq 6815 mulnqprl 6820 mulnqpru 6821 mullocprlem 6822 mulassprg 6833 1idprl 6842 1idpru 6843 recexprlem1ssl 6885 recexprlem1ssu 6886 |
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