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Mirrors > Home > ILE Home > Th. List > 8th4div3 | Unicode version |
Description: An eighth of four thirds is a sixth. (Contributed by Paul Chapman, 24-Nov-2007.) |
Ref | Expression |
---|---|
8th4div3 |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ax-1cn 7846 | . . . 4 | |
2 | 8re 8942 | . . . . 5 | |
3 | 2 | recni 7911 | . . . 4 |
4 | 4cn 8935 | . . . 4 | |
5 | 3cn 8932 | . . . 4 | |
6 | 8pos 8960 | . . . . 5 | |
7 | 2, 6 | gt0ap0ii 8526 | . . . 4 # |
8 | 3re 8931 | . . . . 5 | |
9 | 3pos 8951 | . . . . 5 | |
10 | 8, 9 | gt0ap0ii 8526 | . . . 4 # |
11 | 1, 3, 4, 5, 7, 10 | divmuldivapi 8668 | . . 3 |
12 | 1, 4 | mulcomi 7905 | . . . 4 |
13 | 2cn 8928 | . . . . . . . 8 | |
14 | 4, 13, 5 | mul32i 8045 | . . . . . . 7 |
15 | 4t2e8 9015 | . . . . . . . 8 | |
16 | 15 | oveq1i 5852 | . . . . . . 7 |
17 | 14, 16 | eqtr3i 2188 | . . . . . 6 |
18 | 4, 5, 13 | mulassi 7908 | . . . . . 6 |
19 | 17, 18 | eqtr3i 2188 | . . . . 5 |
20 | 3t2e6 9013 | . . . . . 6 | |
21 | 20 | oveq2i 5853 | . . . . 5 |
22 | 19, 21 | eqtri 2186 | . . . 4 |
23 | 12, 22 | oveq12i 5854 | . . 3 |
24 | 11, 23 | eqtri 2186 | . 2 |
25 | 6re 8938 | . . . 4 | |
26 | 25 | recni 7911 | . . 3 |
27 | 6pos 8958 | . . . 4 | |
28 | 25, 27 | gt0ap0ii 8526 | . . 3 # |
29 | 4re 8934 | . . . 4 | |
30 | 4pos 8954 | . . . 4 | |
31 | 29, 30 | gt0ap0ii 8526 | . . 3 # |
32 | divcanap5 8610 | . . . 4 # # | |
33 | 1, 32 | mp3an1 1314 | . . 3 # # |
34 | 26, 28, 4, 31, 33 | mp4an 424 | . 2 |
35 | 24, 34 | eqtri 2186 | 1 |
Colors of variables: wff set class |
Syntax hints: wa 103 wceq 1343 wcel 2136 class class class wbr 3982 (class class class)co 5842 cc 7751 cc0 7753 c1 7754 cmul 7758 # cap 8479 cdiv 8568 c2 8908 c3 8909 c4 8910 c6 8912 c8 8914 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1435 ax-7 1436 ax-gen 1437 ax-ie1 1481 ax-ie2 1482 ax-8 1492 ax-10 1493 ax-11 1494 ax-i12 1495 ax-bndl 1497 ax-4 1498 ax-17 1514 ax-i9 1518 ax-ial 1522 ax-i5r 1523 ax-13 2138 ax-14 2139 ax-ext 2147 ax-sep 4100 ax-pow 4153 ax-pr 4187 ax-un 4411 ax-setind 4514 ax-cnex 7844 ax-resscn 7845 ax-1cn 7846 ax-1re 7847 ax-icn 7848 ax-addcl 7849 ax-addrcl 7850 ax-mulcl 7851 ax-mulrcl 7852 ax-addcom 7853 ax-mulcom 7854 ax-addass 7855 ax-mulass 7856 ax-distr 7857 ax-i2m1 7858 ax-0lt1 7859 ax-1rid 7860 ax-0id 7861 ax-rnegex 7862 ax-precex 7863 ax-cnre 7864 ax-pre-ltirr 7865 ax-pre-ltwlin 7866 ax-pre-lttrn 7867 ax-pre-apti 7868 ax-pre-ltadd 7869 ax-pre-mulgt0 7870 ax-pre-mulext 7871 |
This theorem depends on definitions: df-bi 116 df-3an 970 df-tru 1346 df-fal 1349 df-nf 1449 df-sb 1751 df-eu 2017 df-mo 2018 df-clab 2152 df-cleq 2158 df-clel 2161 df-nfc 2297 df-ne 2337 df-nel 2432 df-ral 2449 df-rex 2450 df-reu 2451 df-rmo 2452 df-rab 2453 df-v 2728 df-sbc 2952 df-dif 3118 df-un 3120 df-in 3122 df-ss 3129 df-pw 3561 df-sn 3582 df-pr 3583 df-op 3585 df-uni 3790 df-br 3983 df-opab 4044 df-id 4271 df-po 4274 df-iso 4275 df-xp 4610 df-rel 4611 df-cnv 4612 df-co 4613 df-dm 4614 df-iota 5153 df-fun 5190 df-fv 5196 df-riota 5798 df-ov 5845 df-oprab 5846 df-mpo 5847 df-pnf 7935 df-mnf 7936 df-xr 7937 df-ltxr 7938 df-le 7939 df-sub 8071 df-neg 8072 df-reap 8473 df-ap 8480 df-div 8569 df-2 8916 df-3 8917 df-4 8918 df-5 8919 df-6 8920 df-7 8921 df-8 8922 |
This theorem is referenced by: (None) |
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