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| Mirrors > Home > MPE Home > Th. List > add32d | Structured version Visualization version GIF version | ||
| Description: Commutative/associative law that swaps the last two terms in a triple sum. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| addd.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| addd.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| addd.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| Ref | Expression |
|---|---|
| add32d | ⊢ (𝜑 → ((𝐴 + 𝐵) + 𝐶) = ((𝐴 + 𝐶) + 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | addd.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | addd.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | addd.3 | . 2 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 4 | add32 11342 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → ((𝐴 + 𝐵) + 𝐶) = ((𝐴 + 𝐶) + 𝐵)) | |
| 5 | 1, 2, 3, 4 | syl3anc 1373 | 1 ⊢ (𝜑 → ((𝐴 + 𝐵) + 𝐶) = ((𝐴 + 𝐶) + 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 (class class class)co 7355 ℂcc 11014 + caddc 11019 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-sep 5238 ax-nul 5248 ax-pow 5307 ax-pr 5374 ax-un 7677 ax-resscn 11073 ax-1cn 11074 ax-icn 11075 ax-addcl 11076 ax-addrcl 11077 ax-mulcl 11078 ax-mulrcl 11079 ax-mulcom 11080 ax-addass 11081 ax-mulass 11082 ax-distr 11083 ax-i2m1 11084 ax-1ne0 11085 ax-1rid 11086 ax-rnegex 11087 ax-rrecex 11088 ax-cnre 11089 ax-pre-lttri 11090 ax-pre-lttrn 11091 ax-pre-ltadd 11092 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4285 df-if 4477 df-pw 4553 df-sn 4578 df-pr 4580 df-op 4584 df-uni 4861 df-br 5096 df-opab 5158 df-mpt 5177 df-id 5516 df-po 5529 df-so 5530 df-xp 5627 df-rel 5628 df-cnv 5629 df-co 5630 df-dm 5631 df-rn 5632 df-res 5633 df-ima 5634 df-iota 6445 df-fun 6491 df-fn 6492 df-f 6493 df-f1 6494 df-fo 6495 df-f1o 6496 df-fv 6497 df-ov 7358 df-er 8631 df-en 8879 df-dom 8880 df-sdom 8881 df-pnf 11158 df-mnf 11159 df-ltxr 11161 |
| This theorem is referenced by: nppcan 11393 muladd 11559 fladdz 13739 zesq 14143 relexpaddnn 14968 abstri 15248 iseraltlem3 15601 sadadd2lem 16380 pythagtriplem1 16738 pythagtriplem12 16748 vdwlem2 16904 vdwlem6 16908 vdwlem8 16910 prmgaplem8 16980 tcphcphlem1 25172 uniioombllem5 25525 heron 26785 dcubic1 26792 lgamcvg2 27002 mulog2sumlem1 27482 chpdifbndlem1 27501 selberg34r 27519 pntlemr 27550 brbtwn2 28894 axpasch 28930 crctcshwlkn0lem4 29802 clwwisshclwwslemlem 30004 constrrtcclem 33758 subfacval2 35242 lcmineqlem18 42149 sticksstones22 42271 sqrtcval 43748 fourierdlem19 46238 fourierdlem26 46245 carageniuncllem2 46634 cnapbmcpd 47409 opeoALTV 47798 |
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