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| Mirrors > Home > MPE Home > Th. List > divcli | Structured version Visualization version GIF version | ||
| Description: Closure law for division. (Contributed by NM, 2-Feb-1995.) (Revised by Mario Carneiro, 17-Feb-2014.) |
| Ref | Expression |
|---|---|
| divclz.1 | ⊢ 𝐴 ∈ ℂ |
| divclz.2 | ⊢ 𝐵 ∈ ℂ |
| divcl.3 | ⊢ 𝐵 ≠ 0 |
| Ref | Expression |
|---|---|
| divcli | ⊢ (𝐴 / 𝐵) ∈ ℂ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | divcl.3 | . 2 ⊢ 𝐵 ≠ 0 | |
| 2 | divclz.1 | . . 3 ⊢ 𝐴 ∈ ℂ | |
| 3 | divclz.2 | . . 3 ⊢ 𝐵 ∈ ℂ | |
| 4 | 2, 3 | divclzi 11927 | . 2 ⊢ (𝐵 ≠ 0 → (𝐴 / 𝐵) ∈ ℂ) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ (𝐴 / 𝐵) ∈ ℂ |
| Colors of variables: wff setvar class |
| Syntax hints: ∈ wcel 2143 ≠ wne 2958 (class class class)co 7397 ℂcc 11072 0cc0 11074 / cdiv 11845 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1816 ax-4 1830 ax-5 1931 ax-6 1988 ax-7 2029 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5247 ax-nul 5257 ax-pow 5323 ax-pr 5391 ax-un 7719 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 ax-pre-mulgt0 11151 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1564 df-fal 1574 df-ex 1801 df-nf 1805 df-sb 2092 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3457 df-sbc 3746 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-op 4590 df-uni 4867 df-br 5102 df-opab 5164 df-mpt 5183 df-id 5543 df-po 5556 df-so 5557 df-xp 5654 df-rel 5655 df-cnv 5656 df-co 5657 df-dm 5658 df-rn 5659 df-res 5660 df-ima 5661 df-iota 6478 df-fun 6524 df-fn 6525 df-f 6526 df-f1 6527 df-fo 6528 df-f1o 6529 df-fv 6530 df-riota 7354 df-ov 7400 df-oprab 7401 df-mpo 7402 df-er 8679 df-en 8929 df-dom 8930 df-sdom 8931 df-pnf 11219 df-mnf 11220 df-xr 11221 df-ltxr 11222 df-le 11223 df-sub 11417 df-neg 11418 df-div 11846 |
| This theorem is referenced by: divcan1i 11936 halfpm6th 12444 sqdivi 14199 bpoly3 16089 bpoly4 16090 cos1bnd 16220 cospi 26538 sincosq1eq 26578 tan4thpi 26580 sincos6thpi 26582 sincos3rdpi 26583 cxpsqrt 26769 1cubr 26908 quart1cl 26920 quart1lem 26921 quart1 26922 dvatan 27001 log2cnv 27010 log2tlbnd 27011 bclbnd 27345 bposlem8 27356 bposlem9 27357 dp20h 33057 dpmul10 33073 dpmul100 33075 dp3mul10 33076 dpexpp1 33086 dpadd2 33088 cos9thpiminplylem4 34083 cos9thpiminplylem5 34084 quad3 36021 areacirc 38213 cxpi11d 42953 tanhalfpim 42959 tan3rdpi 42962 sin2t3rdpi 42963 cos2t3rdpi 42964 sin4t3rdpi 42965 cos4t3rdpi 42966 areaquad 43794 lhe4.4ex1a 44906 stoweidlem13 46588 stoweidlem26 46601 wallispilem4 46643 wallispi 46645 dirkerper 46671 fourierdlem103 46784 fourierswlem 46805 fouriersw 46806 cos5t 47474 goldrasin 47477 goldracos5teq 47480 goldratmolem2 47481 |
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