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| Mirrors > Home > MPE Home > Th. List > muldivdid | Structured version Visualization version GIF version | ||
| Description: Distribution of division over addition with a multiplication. (Contributed by Thierry Arnoux, 6-Jul-2025.) |
| Ref | Expression |
|---|---|
| muldivdid.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| muldivdid.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| muldivdid.3 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| muldivdid.4 | ⊢ (𝜑 → 𝐵 ≠ 0) |
| Ref | Expression |
|---|---|
| muldivdid | ⊢ (𝜑 → (((𝐴 · 𝐵) + 𝐶) / 𝐵) = (𝐴 + (𝐶 / 𝐵))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | muldivdid.1 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | muldivdid.2 | . . . . 5 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | 1, 2 | mulcomd 11161 | . . . 4 ⊢ (𝜑 → (𝐴 · 𝐵) = (𝐵 · 𝐴)) |
| 4 | 3 | oveq1d 7377 | . . 3 ⊢ (𝜑 → ((𝐴 · 𝐵) + 𝐶) = ((𝐵 · 𝐴) + 𝐶)) |
| 5 | 4 | oveq1d 7377 | . 2 ⊢ (𝜑 → (((𝐴 · 𝐵) + 𝐶) / 𝐵) = (((𝐵 · 𝐴) + 𝐶) / 𝐵)) |
| 6 | muldivdid.3 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 7 | muldivdid.4 | . . 3 ⊢ (𝜑 → 𝐵 ≠ 0) | |
| 8 | muldivdir 11842 | . . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝐶 ∈ ℂ ∧ (𝐵 ∈ ℂ ∧ 𝐵 ≠ 0)) → (((𝐵 · 𝐴) + 𝐶) / 𝐵) = (𝐴 + (𝐶 / 𝐵))) | |
| 9 | 1, 6, 2, 7, 8 | syl112anc 1377 | . 2 ⊢ (𝜑 → (((𝐵 · 𝐴) + 𝐶) / 𝐵) = (𝐴 + (𝐶 / 𝐵))) |
| 10 | 5, 9 | eqtrd 2772 | 1 ⊢ (𝜑 → (((𝐴 · 𝐵) + 𝐶) / 𝐵) = (𝐴 + (𝐶 / 𝐵))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 (class class class)co 7362 ℂcc 11031 0cc0 11033 + caddc 11036 · cmul 11038 / cdiv 11802 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-br 5087 df-opab 5149 df-mpt 5168 df-id 5521 df-po 5534 df-so 5535 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-riota 7319 df-ov 7365 df-oprab 7366 df-mpo 7367 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-div 11803 |
| This theorem is referenced by: constrrtlc1 33896 ppivalnnnprmge6 48105 |
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