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Mirrors > Home > MPE Home > Th. List > mul32d | Structured version Visualization version GIF version |
Description: Commutative/associative law that swaps the last two factors in a triple product. (Contributed by Mario Carneiro, 27-May-2016.) |
Ref | Expression |
---|---|
muld.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
addcomd.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
addcand.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
Ref | Expression |
---|---|
mul32d | ⊢ (𝜑 → ((𝐴 · 𝐵) · 𝐶) = ((𝐴 · 𝐶) · 𝐵)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | muld.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
2 | addcomd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
3 | addcand.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
4 | mul32 10082 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → ((𝐴 · 𝐵) · 𝐶) = ((𝐴 · 𝐶) · 𝐵)) | |
5 | 1, 2, 3, 4 | syl3anc 1318 | 1 ⊢ (𝜑 → ((𝐴 · 𝐵) · 𝐶) = ((𝐴 · 𝐶) · 𝐵)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1475 ∈ wcel 1977 (class class class)co 6549 ℂcc 9813 · cmul 9820 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-mulcom 9879 ax-mulass 9881 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-rex 2902 df-rab 2905 df-v 3175 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-if 4037 df-sn 4126 df-pr 4128 df-op 4132 df-uni 4373 df-br 4584 df-iota 5768 df-fv 5812 df-ov 6552 |
This theorem is referenced by: conjmul 10621 modmul1 12585 binom3 12847 bernneq 12852 expmulnbnd 12858 discr 12863 bcm1k 12964 bcp1n 12965 reccn2 14175 binomlem 14400 binomfallfaclem2 14610 tanadd 14736 eirrlem 14771 dvds2ln 14852 bezoutlem4 15097 divgcdcoprm0 15217 modprm0 15348 nrginvrcnlem 22305 tchcphlem2 22843 csbren 22990 radcnvlem1 23971 tanarg 24169 cxpeq 24298 quad2 24366 binom4 24377 dquartlem2 24379 dquart 24380 quart1lem 24382 dvatan 24462 log2cnv 24471 basellem8 24614 bcmono 24802 gausslemma2d 24899 lgsquadlem1 24905 2lgslem3b 24922 2lgslem3c 24923 2lgslem3d 24924 rplogsumlem1 24973 dchrisumlem2 24979 chpdifbndlem1 25042 selberg3lem1 25046 selberg4 25050 selberg3r 25058 pntrlog2bndlem2 25067 pntrlog2bndlem3 25068 pntrlog2bndlem5 25070 pntlemf 25094 pntlemo 25096 ostth2lem1 25107 ostth2lem3 25124 circum 30822 jm2.25 36584 jm2.27c 36592 binomcxplemnotnn0 37577 dvasinbx 38810 stirlinglem3 38969 dirkercncflem2 38997 cevathlem1 39705 |
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