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Related theorems Unicode version |
| Description: Multiplication of positive fractions is commutative. |
| Ref | Expression |
|---|---|
| mulcompq.1 |
|
| mulcompq.2 |
|
| Ref | Expression |
|---|---|
| mulcompq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-nq 5038 |
. . 3
| |
| 2 | mulpipq 5055 |
. . 3
| |
| 3 | mulpipq 5055 |
. . 3
| |
| 4 | visset 1813 |
. . . 4
| |
| 5 | visset 1813 |
. . . 4
| |
| 6 | 4, 5 | mulcompi 5024 |
. . 3
|
| 7 | visset 1813 |
. . . 4
| |
| 8 | visset 1813 |
. . . 4
| |
| 9 | 7, 8 | mulcompi 5024 |
. . 3
|
| 10 | 1, 2, 3, 6, 9 | ecoprcom 4319 |
. 2
|
| 11 | mulcompq.2 |
. . 3
| |
| 12 | dmmulpq 5061 |
. . 3
| |
| 13 | mulcompq.1 |
. . 3
| |
| 14 | 11, 12, 13 | ndmoprcom 4047 |
. 2
|
| 15 | 10, 14 | pm2.61i 126 |
1
|
| Colors of variables: wff set class |
| Syntax hints: |
| This theorem is referenced by: recmulpq 5070 recrecpq 5073 ltrpq 5085 1pr 5117 addclprlem1 5118 addclprlem2 5119 mulclprlem 5121 mulclpr 5122 mulcompr 5125 distrlem4pr 5130 1idpr 5133 prlem934a 5137 prlem936a 5153 prlem936 5155 reclem3pr 5158 reclem4pr 5159 |
| This theorem was proved from axioms: ax-1 4 ax-2 5 ax-3 6 ax-mp 7 ax-7 962 ax-gen 963 ax-8 964 ax-9 965 ax-10 966 ax-11 967 ax-12 968 ax-13 969 ax-14 970 ax-17 971 ax-4 973 ax-5o 975 ax-6o 978 ax-9o 1123 ax-10o 1140 ax-16 1210 ax-11o 1218 ax-ext 1459 ax-rep 2693 ax-sep 2703 ax-nul 2710 ax-pow 2742 ax-pr 2779 ax-un 2866 ax-inf2 4625 |
| This theorem depends on definitions: df-bi 147 df-or 224 df-an 225 df-3or 776 df-3an 777 df-ex 981 df-sb 1172 df-eu 1382 df-mo 1383 df-clab 1464 df-cleq 1469 df-clel 1472 df-ne 1587 df-ral 1649 df-rex 1650 df-reu 1651 df-rab 1652 df-v 1812 df-sbc 1942 df-csb 2002 df-dif 2049 df-un 2050 df-in 2051 df-ss 2053 df-nul 2281 df-if 2362 df-pw 2402 df-sn 2412 df-pr 2413 df-tp 2415 df-op 2416 df-uni 2504 df-int 2534 df-iun 2568 df-br 2620 df-opab 2667 df-tr 2681 df-eprel 2832 df-id 2835 df-po 2840 df-so 2850 df-fr 2917 df-we 2934 df-ord 2951 df-on 2952 df-lim 2953 df-suc 2954 df-om 3132 df-xp 3184 df-rel 3185 df-cnv 3186 df-co 3187 df-dm 3188 df-rn 3189 df-res 3190 df-ima 3191 df-fun 3192 df-fn 3193 df-f 3194 df-fv 3198 df-rdg 3932 df-opr 3965 df-oprab 3966 df-1st 4079 df-2nd 4080 df-1o 4133 df-oadd 4135 df-omul 4136 df-er 4261 df-ec 4263 df-qs 4266 df-ni 5000 df-mi 5002 df-mpq 5036 df-enq 5037 df-nq 5038 df-mq 5040 |