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Mirrors > Home > MPE Home > Th. List > div23d | Structured version Visualization version GIF version |
Description: A commutative/associative law for division. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
div1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
divcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
divmuld.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
divassd.4 | ⊢ (𝜑 → 𝐶 ≠ 0) |
Ref | Expression |
---|---|
div23d | ⊢ (𝜑 → ((𝐴 · 𝐵) / 𝐶) = ((𝐴 / 𝐶) · 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | div1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | divcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | divmuld.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
4 | divassd.4 | . 2 ⊢ (𝜑 → 𝐶 ≠ 0) | |
5 | div23 11652 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ (𝐶 ∈ ℂ ∧ 𝐶 ≠ 0)) → ((𝐴 · 𝐵) / 𝐶) = ((𝐴 / 𝐶) · 𝐵)) | |
6 | 1, 2, 3, 4, 5 | syl112anc 1373 | 1 ⊢ (𝜑 → ((𝐴 · 𝐵) / 𝐶) = ((𝐴 / 𝐶) · 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 (class class class)co 7275 ℂcc 10869 0cc0 10871 · cmul 10876 / cdiv 11632 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-br 5075 df-opab 5137 df-mpt 5158 df-id 5489 df-po 5503 df-so 5504 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 |
This theorem is referenced by: bcpasc 14035 abslem2 15051 geolim 15582 bpolydiflem 15764 efaddlem 15802 eftlub 15818 bitsinv1lem 16148 pjthlem1 24601 itg2monolem3 24917 dvmulbr 25103 dvrecg 25137 dvmptdiv 25138 dvtaylp 25529 itgulm 25567 tanregt0 25695 logtayl2 25817 cxpeq 25910 heron 25988 dcubic2 25994 cubic2 25998 dquartlem1 26001 dquartlem2 26002 dquart 26003 quart1lem 26005 quart1 26006 dvatan 26085 atantayl 26087 jensenlem2 26137 lgamgulmlem2 26179 lgamgulmlem3 26180 ftalem2 26223 bclbnd 26428 bposlem9 26440 lgseisenlem4 26526 lgsquadlem1 26528 lgsquadlem2 26529 dchrvmasumlem1 26643 mulog2sumlem2 26683 2vmadivsumlem 26688 selberg3lem1 26705 selberg4lem1 26708 selberg4 26709 selberg3r 26717 pntrlog2bndlem4 26728 pntrlog2bndlem5 26729 pntibndlem2 26739 pntlemo 26755 brbtwn2 27273 colinearalg 27278 axsegconlem10 27294 axpaschlem 27308 axcontlem8 27339 pjhthlem1 29753 sinccvglem 33630 knoppndvlem14 34705 bj-bary1lem 35481 dvtan 35827 lcmineqlem10 40046 aks4d1p1p7 40082 binomcxplemnotnn0 41974 dvnprodlem2 43488 itgsinexp 43496 stirlinglem3 43617 stirlinglem4 43618 dirkertrigeqlem3 43641 fourierdlem95 43742 eenglngeehlnmlem1 46083 eenglngeehlnmlem2 46084 |
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