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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 7567 |
. 2
| |
| 2 | mulpipqqs 7592 |
. 2
| |
| 3 | mulpipqqs 7592 |
. 2
| |
| 4 | mulcompig 7550 |
. . 3
| |
| 5 | 4 | ad2ant2r 509 |
. 2
|
| 6 | mulcompig 7550 |
. . 3
| |
| 7 | 6 | ad2ant2l 508 |
. 2
|
| 8 | 1, 2, 3, 5, 7 | ecovicom 6811 |
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 619 ax-in2 620 ax-io 716 ax-5 1495 ax-7 1496 ax-gen 1497 ax-ie1 1541 ax-ie2 1542 ax-8 1552 ax-10 1553 ax-11 1554 ax-i12 1555 ax-bndl 1557 ax-4 1558 ax-17 1574 ax-i9 1578 ax-ial 1582 ax-i5r 1583 ax-13 2204 ax-14 2205 ax-ext 2213 ax-coll 4204 ax-sep 4207 ax-nul 4215 ax-pow 4264 ax-pr 4299 ax-un 4530 ax-setind 4635 ax-iinf 4686 |
| This theorem depends on definitions: df-bi 117 df-dc 842 df-3or 1005 df-3an 1006 df-tru 1400 df-fal 1403 df-nf 1509 df-sb 1811 df-eu 2082 df-mo 2083 df-clab 2218 df-cleq 2224 df-clel 2227 df-nfc 2363 df-ne 2403 df-ral 2515 df-rex 2516 df-reu 2517 df-rab 2519 df-v 2804 df-sbc 3032 df-csb 3128 df-dif 3202 df-un 3204 df-in 3206 df-ss 3213 df-nul 3495 df-pw 3654 df-sn 3675 df-pr 3676 df-op 3678 df-uni 3894 df-int 3929 df-iun 3972 df-br 4089 df-opab 4151 df-mpt 4152 df-tr 4188 df-id 4390 df-iord 4463 df-on 4465 df-suc 4468 df-iom 4689 df-xp 4731 df-rel 4732 df-cnv 4733 df-co 4734 df-dm 4735 df-rn 4736 df-res 4737 df-ima 4738 df-iota 5286 df-fun 5328 df-fn 5329 df-f 5330 df-f1 5331 df-fo 5332 df-f1o 5333 df-fv 5334 df-ov 6020 df-oprab 6021 df-mpo 6022 df-1st 6302 df-2nd 6303 df-recs 6470 df-irdg 6535 df-oadd 6585 df-omul 6586 df-er 6701 df-ec 6703 df-qs 6707 df-ni 7523 df-mi 7525 df-mpq 7564 df-enq 7566 df-nqqs 7567 df-mqqs 7569 |
| This theorem is referenced by: recmulnqg 7610 recrecnq 7613 rec1nq 7614 lt2mulnq 7624 halfnqq 7629 prarloclemarch 7637 prarloclemarch2 7638 ltrnqg 7639 prarloclemlt 7712 addnqprllem 7746 addnqprulem 7747 addnqprl 7748 addnqpru 7749 appdivnq 7782 prmuloclemcalc 7784 mulnqprl 7787 mulnqpru 7788 mullocprlem 7789 mulclpr 7791 mulcomprg 7799 distrlem4prl 7803 distrlem4pru 7804 1idprl 7809 1idpru 7810 recexprlem1ssl 7852 recexprlem1ssu 7853 recexprlemss1l 7854 recexprlemss1u 7855 |
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