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| Mirrors > Home > MPE Home > Th. List > divrec2d | Structured version Visualization version GIF version | ||
| Description: Relationship between division and reciprocal. (Contributed by Mario Carneiro, 27-May-2016.) |
| Ref | Expression |
|---|---|
| div1d.1 | ⊢ (𝜑 → 𝐴 ∈ ℂ) |
| divcld.2 | ⊢ (𝜑 → 𝐵 ∈ ℂ) |
| divcld.3 | ⊢ (𝜑 → 𝐵 ≠ 0) |
| Ref | Expression |
|---|---|
| divrec2d | ⊢ (𝜑 → (𝐴 / 𝐵) = ((1 / 𝐵) · 𝐴)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | div1d.1 | . 2 ⊢ (𝜑 → 𝐴 ∈ ℂ) | |
| 2 | divcld.2 | . 2 ⊢ (𝜑 → 𝐵 ∈ ℂ) | |
| 3 | divcld.3 | . 2 ⊢ (𝜑 → 𝐵 ≠ 0) | |
| 4 | divrec2 11917 | . 2 ⊢ ((𝐴 ∈ ℂ ∧ 𝐵 ∈ ℂ ∧ 𝐵 ≠ 0) → (𝐴 / 𝐵) = ((1 / 𝐵) · 𝐴)) | |
| 5 | 1, 2, 3, 4 | syl3anc 1398 | 1 ⊢ (𝜑 → (𝐴 / 𝐵) = ((1 / 𝐵) · 𝐴)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ≠ wne 2957 (class class class)co 7417 ℂcc 11126 0cc0 11128 1c1 11129 · cmul 11133 / cdiv 11899 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2734 ax-sep 5255 ax-nul 5267 ax-pow 5334 ax-pr 5402 ax-un 7740 ax-resscn 11185 ax-1cn 11186 ax-icn 11187 ax-addcl 11188 ax-addrcl 11189 ax-mulcl 11190 ax-mulrcl 11191 ax-mulcom 11192 ax-addass 11193 ax-mulass 11194 ax-distr 11195 ax-i2m1 11196 ax-1ne0 11197 ax-1rid 11198 ax-rnegex 11199 ax-rrecex 11200 ax-cnre 11201 ax-pre-lttri 11202 ax-pre-lttrn 11203 ax-pre-ltadd 11204 ax-pre-mulgt0 11205 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-nul 4283 df-if 4486 df-pw 4562 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4871 df-br 5108 df-opab 5172 df-mpt 5191 df-id 5554 df-po 5567 df-so 5568 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 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 7374 df-ov 7420 df-oprab 7421 df-mpo 7422 df-er 8700 df-en 8957 df-dom 8958 df-sdom 8959 df-pnf 11273 df-mnf 11274 df-xr 11275 df-ltxr 11276 df-le 11277 df-sub 11471 df-neg 11472 df-div 11900 |
| This theorem is used by: expaddzlem 14173 rediv 15222 imdiv 15229 geo2sum 15966 clim2div 15982 efaddlem 16185 sinhval 16248 cvsmuleqdivd 25368 sca2rab 25746 itg2mulclem 25980 itg2mulc 25981 dvmptdivc 26199 dvexp3 26212 dvlip 26227 dvradcnv 26664 tanregt0 26784 logtayl 26905 cxpeq 27002 chordthmlem2 27078 chordthmlem4 27080 heron 27083 dquartlem1 27096 asinlem3 27116 asinsin 27137 efiatan2 27162 atantayl2 27183 amgmlem 27234 basellem8 27332 chebbnd1lem3 27715 dchrmusum2 27738 dchrvmasumlem3 27743 dchrisum0lem1 27760 selberg2lem 27794 logdivbnd 27800 pntrsumo1 27809 pntrlog2bndlem5 27825 pntibndlem2 27835 pntlemr 27846 pntlemo 27851 nmblolbii 31288 blocnilem 31293 nmbdoplbi 32513 nmcoplbi 32517 nmbdfnlbi 32538 nmcfnlbi 32541 constrdircl 34283 constrrecl 34287 cos9thpiminplylem2 34301 logdivsqrle 35166 knoppndvlem7 37223 dvtan 38427 dvasin 38461 areacirclem1 38465 areacirclem4 38468 readvcot 43247 areaquad 44065 wallispi2lem1 46907 stirlinglem4 46913 stirlinglem5 46914 stirlinglem15 46924 dirkertrigeqlem2 46935 dirkertrigeq 46937 dirkercncflem2 46940 fourierdlem30 46973 fourierdlem57 46999 fourierdlem58 47000 fourierdlem62 47004 fourierdlem95 47037 nn0digval 49538 eenglngeehlnmlem1 49675 eenglngeehlnmlem2 49676 |
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