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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 7972 |
. . . 4
| |
| 2 | 8re 9075 |
. . . . 5
| |
| 3 | 2 | recni 8038 |
. . . 4
|
| 4 | 4cn 9068 |
. . . 4
| |
| 5 | 3cn 9065 |
. . . 4
| |
| 6 | 8pos 9093 |
. . . . 5
| |
| 7 | 2, 6 | gt0ap0ii 8655 |
. . . 4
|
| 8 | 3re 9064 |
. . . . 5
| |
| 9 | 3pos 9084 |
. . . . 5
| |
| 10 | 8, 9 | gt0ap0ii 8655 |
. . . 4
|
| 11 | 1, 3, 4, 5, 7, 10 | divmuldivapi 8799 |
. . 3
|
| 12 | 1, 4 | mulcomi 8032 |
. . . 4
|
| 13 | 2cn 9061 |
. . . . . . . 8
| |
| 14 | 4, 13, 5 | mul32i 8173 |
. . . . . . 7
|
| 15 | 4t2e8 9149 |
. . . . . . . 8
| |
| 16 | 15 | oveq1i 5932 |
. . . . . . 7
|
| 17 | 14, 16 | eqtr3i 2219 |
. . . . . 6
|
| 18 | 4, 5, 13 | mulassi 8035 |
. . . . . 6
|
| 19 | 17, 18 | eqtr3i 2219 |
. . . . 5
|
| 20 | 3t2e6 9147 |
. . . . . 6
| |
| 21 | 20 | oveq2i 5933 |
. . . . 5
|
| 22 | 19, 21 | eqtri 2217 |
. . . 4
|
| 23 | 12, 22 | oveq12i 5934 |
. . 3
|
| 24 | 11, 23 | eqtri 2217 |
. 2
|
| 25 | 6re 9071 |
. . . 4
| |
| 26 | 25 | recni 8038 |
. . 3
|
| 27 | 6pos 9091 |
. . . 4
| |
| 28 | 25, 27 | gt0ap0ii 8655 |
. . 3
|
| 29 | 4re 9067 |
. . . 4
| |
| 30 | 4pos 9087 |
. . . 4
| |
| 31 | 29, 30 | gt0ap0ii 8655 |
. . 3
|
| 32 | divcanap5 8741 |
. . . 4
| |
| 33 | 1, 32 | mp3an1 1335 |
. . 3
|
| 34 | 26, 28, 4, 31, 33 | mp4an 427 |
. 2
|
| 35 | 24, 34 | eqtri 2217 |
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 615 ax-in2 616 ax-io 710 ax-5 1461 ax-7 1462 ax-gen 1463 ax-ie1 1507 ax-ie2 1508 ax-8 1518 ax-10 1519 ax-11 1520 ax-i12 1521 ax-bndl 1523 ax-4 1524 ax-17 1540 ax-i9 1544 ax-ial 1548 ax-i5r 1549 ax-13 2169 ax-14 2170 ax-ext 2178 ax-sep 4151 ax-pow 4207 ax-pr 4242 ax-un 4468 ax-setind 4573 ax-cnex 7970 ax-resscn 7971 ax-1cn 7972 ax-1re 7973 ax-icn 7974 ax-addcl 7975 ax-addrcl 7976 ax-mulcl 7977 ax-mulrcl 7978 ax-addcom 7979 ax-mulcom 7980 ax-addass 7981 ax-mulass 7982 ax-distr 7983 ax-i2m1 7984 ax-0lt1 7985 ax-1rid 7986 ax-0id 7987 ax-rnegex 7988 ax-precex 7989 ax-cnre 7990 ax-pre-ltirr 7991 ax-pre-ltwlin 7992 ax-pre-lttrn 7993 ax-pre-apti 7994 ax-pre-ltadd 7995 ax-pre-mulgt0 7996 ax-pre-mulext 7997 |
| This theorem depends on definitions: df-bi 117 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1475 df-sb 1777 df-eu 2048 df-mo 2049 df-clab 2183 df-cleq 2189 df-clel 2192 df-nfc 2328 df-ne 2368 df-nel 2463 df-ral 2480 df-rex 2481 df-reu 2482 df-rmo 2483 df-rab 2484 df-v 2765 df-sbc 2990 df-dif 3159 df-un 3161 df-in 3163 df-ss 3170 df-pw 3607 df-sn 3628 df-pr 3629 df-op 3631 df-uni 3840 df-br 4034 df-opab 4095 df-id 4328 df-po 4331 df-iso 4332 df-xp 4669 df-rel 4670 df-cnv 4671 df-co 4672 df-dm 4673 df-iota 5219 df-fun 5260 df-fv 5266 df-riota 5877 df-ov 5925 df-oprab 5926 df-mpo 5927 df-pnf 8063 df-mnf 8064 df-xr 8065 df-ltxr 8066 df-le 8067 df-sub 8199 df-neg 8200 df-reap 8602 df-ap 8609 df-div 8700 df-2 9049 df-3 9050 df-4 9051 df-5 9052 df-6 9053 df-7 9054 df-8 9055 |
| This theorem is referenced by: (None) |
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