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| Mirrors > Home > ILE Home > Th. List > mulcomnqg | Unicode version | ||
| Description: Multiplication of positive fractions is commutative. (Contributed by Jim Kingdon, 17-Sep-2019.) |
| Ref | Expression |
|---|---|
| mulcomnqg |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-nqqs 7705 |
. 2
| |
| 2 | mulpipqqs 7730 |
. 2
| |
| 3 | mulpipqqs 7730 |
. 2
| |
| 4 | mulcompig 7688 |
. . 3
| |
| 5 | 4 | ad2ant2r 513 |
. 2
|
| 6 | mulcompig 7688 |
. . 3
| |
| 7 | 6 | ad2ant2l 512 |
. 2
|
| 8 | 1, 2, 3, 5, 7 | ecovicom 6907 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 623 ax-in2 624 ax-io 721 ax-5 1500 ax-7 1501 ax-gen 1502 ax-ie1 1546 ax-ie2 1547 ax-8 1557 ax-10 1558 ax-11 1559 ax-i12 1560 ax-bndl 1562 ax-4 1563 ax-17 1579 ax-i9 1583 ax-ial 1587 ax-i5r 1588 ax-14 2212 ax-ext 2220 ax-coll 4241 ax-sep 4244 ax-nul 4254 ax-pow 4306 ax-pr 4341 ax-un 4573 ax-setind 4679 ax-iinf 4730 |
| This theorem depends on definitions: df-bi 117 df-dc 847 df-3or 1010 df-3an 1011 df-tru 1405 df-fal 1408 df-nf 1514 df-sb 1816 df-eu 2089 df-mo 2090 df-clab 2225 df-cleq 2231 df-clel 2234 df-nfc 2381 df-ne 2421 df-ral 2533 df-rex 2534 df-reu 2535 df-rab 2537 df-v 2823 df-sbc 3052 df-csb 3148 df-dif 3222 df-un 3224 df-in 3226 df-ss 3233 df-nul 3521 df-pw 3687 df-sn 3711 df-pr 3712 df-op 3714 df-uni 3931 df-int 3966 df-iun 4009 df-br 4126 df-opab 4188 df-mpt 4189 df-tr 4225 df-id 4433 df-iord 4506 df-on 4508 df-suc 4511 df-iom 4733 df-xp 4775 df-rel 4776 df-cnv 4777 df-co 4778 df-dm 4779 df-rn 4780 df-res 4781 df-ima 4782 df-iota 5332 df-fun 5374 df-fn 5375 df-f 5376 df-f1 5377 df-fo 5378 df-f1o 5379 df-fv 5380 df-ov 6078 df-oprab 6079 df-mpo 6080 df-1st 6364 df-2nd 6365 df-recs 6566 df-irdg 6631 df-oadd 6681 df-omul 6682 df-er 6797 df-ec 6799 df-qs 6803 df-ni 7661 df-mi 7663 df-mpq 7702 df-enq 7704 df-nqqs 7705 df-mqqs 7707 |
| This theorem is referenced by: recmulnqg 7748 recrecnq 7751 rec1nq 7752 lt2mulnq 7762 halfnqq 7767 prarloclemarch 7775 prarloclemarch2 7776 ltrnqg 7777 prarloclemlt 7850 addnqprllem 7884 addnqprulem 7885 addnqprl 7886 addnqpru 7887 appdivnq 7920 prmuloclemcalc 7922 mulnqprl 7925 mulnqpru 7926 mullocprlem 7927 mulclpr 7929 mulcomprg 7937 distrlem4prl 7941 distrlem4pru 7942 1idprl 7947 1idpru 7948 recexprlem1ssl 7990 recexprlem1ssu 7991 recexprlemss1l 7992 recexprlemss1u 7993 |
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