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| Mirrors > Home > MPE Home > Th. List > rdiv | Structured version Visualization version GIF version | ||
| Description: Right-division. (Contributed by BJ, 6-Jun-2019.) |
| Ref | Expression |
|---|---|
| ldiv.a | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| ldiv.b | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| ldiv.c | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| rdiv.an0 | ⊢ (𝜑 → 𝐴 ≠ 0) |
| Ref | Expression |
|---|---|
| rdiv | ⊢ (𝜑 → ((𝐴 · 𝐵) = 𝐶 ↔ 𝐵 = (𝐶 / 𝐴))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ldiv.a | . . . 4 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | ldiv.b | . . . 4 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | 1, 2 | mulcomd 11166 | . . 3 ⊢ (𝜑 → (𝐴 · 𝐵) = (𝐵 · 𝐴)) |
| 4 | 3 | eqeq1d 2738 | . 2 ⊢ (𝜑 → ((𝐴 · 𝐵) = 𝐶 ↔ (𝐵 · 𝐴) = 𝐶)) |
| 5 | ldiv.c | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 6 | rdiv.an0 | . . 3 ⊢ (𝜑 → 𝐴 ≠ 0) | |
| 7 | 2, 1, 5, 6 | ldiv 11989 | . 2 ⊢ (𝜑 → ((𝐵 · 𝐴) = 𝐶 ↔ 𝐵 = (𝐶 / 𝐴))) |
| 8 | 4, 7 | bitrd 279 | 1 ⊢ (𝜑 → ((𝐴 · 𝐵) = 𝐶 ↔ 𝐵 = (𝐶 / 𝐴))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 206 = wceq 1542 ∈ wcel 2114 ≠ wne 2932 (class class class)co 7367 ℂcc 11036 0cc0 11038 · cmul 11043 / cdiv 11807 |
| 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 2708 ax-sep 5231 ax-nul 5241 ax-pow 5307 ax-pr 5375 ax-un 7689 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3062 df-rmo 3342 df-reu 3343 df-rab 3390 df-v 3431 df-sbc 3729 df-csb 3838 df-dif 3892 df-un 3894 df-in 3896 df-ss 3906 df-nul 4274 df-if 4467 df-pw 4543 df-sn 4568 df-pr 4570 df-op 4574 df-uni 4851 df-br 5086 df-opab 5148 df-mpt 5167 df-id 5526 df-po 5539 df-so 5540 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-iota 6454 df-fun 6500 df-fn 6501 df-f 6502 df-f1 6503 df-fo 6504 df-f1o 6505 df-fv 6506 df-riota 7324 df-ov 7370 df-oprab 7371 df-mpo 7372 df-er 8643 df-en 8894 df-dom 8895 df-sdom 8896 df-pnf 11181 df-mnf 11182 df-xr 11183 df-ltxr 11184 df-le 11185 df-sub 11379 df-neg 11380 df-div 11808 |
| This theorem is referenced by: mdiv 11991 lineq 11992 quad3d 32822 bj-bary1lem1 37625 |
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