| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > divassi | Structured version Visualization version GIF version | ||
| Description: An associative law for division. (Contributed by NM, 15-Feb-1995.) |
| Ref | Expression |
|---|---|
| divclz.1 | ⊢ 𝐴 ∈ ℂ |
| divclz.2 | ⊢ 𝐵 ∈ ℂ |
| divmulz.3 | ⊢ 𝐶 ∈ ℂ |
| divass.4 | ⊢ 𝐶 ≠ 0 |
| Ref | Expression |
|---|---|
| divassi | ⊢ ((𝐴 · 𝐵) / 𝐶) = (𝐴 · (𝐵 / 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divass.4 | . 2 ⊢ 𝐶 ≠ 0 | |
| 2 | divclz.1 | . . 3 ⊢ 𝐴 ∈ ℂ | |
| 3 | divclz.2 | . . 3 ⊢ 𝐵 ∈ ℂ | |
| 4 | divmulz.3 | . . 3 ⊢ 𝐶 ∈ ℂ | |
| 5 | 2, 3, 4 | divasszi 11965 | . 2 ⊢ (𝐶 ≠ 0 → ((𝐴 · 𝐵) / 𝐶) = (𝐴 · (𝐵 / 𝐶))) |
| 6 | 1, 5 | ax-mp 5 | 1 ⊢ ((𝐴 · 𝐵) / 𝐶) = (𝐴 · (𝐵 / 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∈ wcel 2149 ≠ wne 2964 (class class class)co 7411 ℂcc 11098 0cc0 11100 · cmul 11105 / cdiv 11871 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-sep 5259 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3375 df-reu 3376 df-rab 3423 df-v 3463 df-sbc 3752 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-nul 4293 df-if 4491 df-pw 4567 df-sn 4593 df-pr 4595 df-op 4599 df-uni 4875 df-br 5112 df-opab 5176 df-mpt 5195 df-id 5557 df-po 5570 df-so 5571 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-er 8694 df-en 8944 df-dom 8945 df-sdom 8946 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 |
| This theorem is referenced by: cos2bnd 16244 6lcm4e12 16674 sincos6thpi 26647 cxpsqrt 26834 1cubrlem 26972 efiatan 27043 log2cnv 27075 log2ublem1 27077 birthday 27085 bclbnd 27410 bposlem8 27421 ex-lcm 30750 dpmul4 33174 ballotth 34873 hgt750lem 34983 quad3 36095 25or6to4 42898 cxpi11d 43029 areaquad 43870 goldratmolem2 47547 41prothprmlem1 48293 |
| Copyright terms: Public domain | W3C validator |