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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 11430 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐶 ∈ ℂ) → ((𝐴 + 𝐵) + 𝐶) = ((𝐴 + 𝐶) + 𝐵)) | |
| 5 | 1, 2, 3, 4 | syl3anc 1398 | 1 ⊢ (𝜑 → ((𝐴 + 𝐵) + 𝐶) = ((𝐴 + 𝐶) + 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1570 ∈ wcel 2143 (class class class)co 7412 ℂcc 11099 + caddc 11104 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-br 5111 df-opab 5175 df-mpt 5194 df-id 5558 df-po 5571 df-so 5572 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-ov 7415 df-er 8695 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-ltxr 11249 |
| This theorem is referenced by: nppcan 11481 muladd 11647 fladdz 13860 zesq 14264 relexpaddnn 15090 abstri 15384 iseraltlem3 15737 sadadd2lem 16518 pythagtriplem1 16877 pythagtriplem12 16887 vdwlem2 17043 vdwlem6 17047 vdwlem8 17049 prmgaplem8 17119 tcphcphlem1 25375 uniioombllem5 25727 heron 26981 dcubic1 26988 lgamcvg2 27197 mulog2sumlem1 27676 chpdifbndlem1 27695 selberg34r 27713 pntlemr 27744 brbtwn2 29233 axpasch 29269 crctcshwlkn0lem4 30140 clwwisshclwwslemlem 30342 constrrtcclem 34102 subfacval2 35657 lcmineqlem18 42791 sticksstones22 42913 sqrtcval 44347 fourierdlem19 46820 fourierdlem26 46827 carageniuncllem2 47216 cnapbmcpd 48009 opeoALTV 48426 |
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