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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 7546 |
. 2
| |
| 2 | mulpipqqs 7571 |
. 2
| |
| 3 | mulpipqqs 7571 |
. 2
| |
| 4 | mulcompig 7529 |
. . 3
| |
| 5 | 4 | ad2ant2r 509 |
. 2
|
| 6 | mulcompig 7529 |
. . 3
| |
| 7 | 6 | ad2ant2l 508 |
. 2
|
| 8 | 1, 2, 3, 5, 7 | ecovicom 6798 |
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 617 ax-in2 618 ax-io 714 ax-5 1493 ax-7 1494 ax-gen 1495 ax-ie1 1539 ax-ie2 1540 ax-8 1550 ax-10 1551 ax-11 1552 ax-i12 1553 ax-bndl 1555 ax-4 1556 ax-17 1572 ax-i9 1576 ax-ial 1580 ax-i5r 1581 ax-13 2202 ax-14 2203 ax-ext 2211 ax-coll 4199 ax-sep 4202 ax-nul 4210 ax-pow 4258 ax-pr 4293 ax-un 4524 ax-setind 4629 ax-iinf 4680 |
| This theorem depends on definitions: df-bi 117 df-dc 840 df-3or 1003 df-3an 1004 df-tru 1398 df-fal 1401 df-nf 1507 df-sb 1809 df-eu 2080 df-mo 2081 df-clab 2216 df-cleq 2222 df-clel 2225 df-nfc 2361 df-ne 2401 df-ral 2513 df-rex 2514 df-reu 2515 df-rab 2517 df-v 2801 df-sbc 3029 df-csb 3125 df-dif 3199 df-un 3201 df-in 3203 df-ss 3210 df-nul 3492 df-pw 3651 df-sn 3672 df-pr 3673 df-op 3675 df-uni 3889 df-int 3924 df-iun 3967 df-br 4084 df-opab 4146 df-mpt 4147 df-tr 4183 df-id 4384 df-iord 4457 df-on 4459 df-suc 4462 df-iom 4683 df-xp 4725 df-rel 4726 df-cnv 4727 df-co 4728 df-dm 4729 df-rn 4730 df-res 4731 df-ima 4732 df-iota 5278 df-fun 5320 df-fn 5321 df-f 5322 df-f1 5323 df-fo 5324 df-f1o 5325 df-fv 5326 df-ov 6010 df-oprab 6011 df-mpo 6012 df-1st 6292 df-2nd 6293 df-recs 6457 df-irdg 6522 df-oadd 6572 df-omul 6573 df-er 6688 df-ec 6690 df-qs 6694 df-ni 7502 df-mi 7504 df-mpq 7543 df-enq 7545 df-nqqs 7546 df-mqqs 7548 |
| This theorem is referenced by: recmulnqg 7589 recrecnq 7592 rec1nq 7593 lt2mulnq 7603 halfnqq 7608 prarloclemarch 7616 prarloclemarch2 7617 ltrnqg 7618 prarloclemlt 7691 addnqprllem 7725 addnqprulem 7726 addnqprl 7727 addnqpru 7728 appdivnq 7761 prmuloclemcalc 7763 mulnqprl 7766 mulnqpru 7767 mullocprlem 7768 mulclpr 7770 mulcomprg 7778 distrlem4prl 7782 distrlem4pru 7783 1idprl 7788 1idpru 7789 recexprlem1ssl 7831 recexprlem1ssu 7832 recexprlemss1l 7833 recexprlemss1u 7834 |
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