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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 11890 | . 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 2114 ≠ wne 2933 (class class class)co 7370 ℂcc 11038 0cc0 11040 / cdiv 11808 |
| 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 5245 ax-nul 5255 ax-pow 5314 ax-pr 5381 ax-un 7692 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-op 4589 df-uni 4866 df-br 5101 df-opab 5163 df-mpt 5182 df-id 5529 df-po 5542 df-so 5543 df-xp 5640 df-rel 5641 df-cnv 5642 df-co 5643 df-dm 5644 df-rn 5645 df-res 5646 df-ima 5647 df-iota 6458 df-fun 6504 df-fn 6505 df-f 6506 df-f1 6507 df-fo 6508 df-f1o 6509 df-fv 6510 df-riota 7327 df-ov 7373 df-oprab 7374 df-mpo 7375 df-er 8647 df-en 8898 df-dom 8899 df-sdom 8900 df-pnf 11182 df-mnf 11183 df-xr 11184 df-ltxr 11185 df-le 11186 df-sub 11380 df-neg 11381 df-div 11809 |
| This theorem is referenced by: divcan1i 11899 halfpm6th 12377 sqdivi 14122 bpoly3 15995 bpoly4 15996 cos1bnd 16126 cospi 26454 sincosq1eq 26494 tan4thpi 26496 sincos6thpi 26498 sincos3rdpi 26499 cxpsqrt 26685 1cubr 26825 quart1cl 26837 quart1lem 26838 quart1 26839 dvatan 26918 log2cnv 26927 log2tlbnd 26928 bclbnd 27264 bposlem8 27275 bposlem9 27276 dp20h 32977 dpmul10 32993 dpmul100 32995 dp3mul10 32996 dpexpp1 33006 dpadd2 33008 cos9thpiminplylem4 33969 cos9thpiminplylem5 33970 quad3 35892 areacirc 37993 cxpi11d 42742 tanhalfpim 42748 tan3rdpi 42751 sin2t3rdpi 42752 cos2t3rdpi 42753 sin4t3rdpi 42754 cos4t3rdpi 42755 areaquad 43602 lhe4.4ex1a 44714 stoweidlem13 46400 stoweidlem26 46413 wallispilem4 46455 wallispi 46457 dirkerper 46483 fourierdlem103 46596 fourierswlem 46617 fouriersw 46618 |
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