| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > redivcli | Structured version Visualization version GIF version | ||
| Description: Closure law for division of reals. (Contributed by NM, 9-May-1999.) |
| Ref | Expression |
|---|---|
| redivcl.1 | ⊢ 𝐴 ∈ ℝ |
| redivcl.2 | ⊢ 𝐵 ∈ ℝ |
| redivcl.3 | ⊢ 𝐵 ≠ 0 |
| Ref | Expression |
|---|---|
| redivcli | ⊢ (𝐴 / 𝐵) ∈ ℝ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | redivcl.3 | . 2 ⊢ 𝐵 ≠ 0 | |
| 2 | redivcl.1 | . . 3 ⊢ 𝐴 ∈ ℝ | |
| 3 | redivcl.2 | . . 3 ⊢ 𝐵 ∈ ℝ | |
| 4 | 2, 3 | redivclzi 11985 | . 2 ⊢ (𝐵 ≠ 0 → (𝐴 / 𝐵) ∈ ℝ) |
| 5 | 1, 4 | ax-mp 5 | 1 ⊢ (𝐴 / 𝐵) ∈ ℝ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ∈ wcel 2143 ≠ wne 2958 (class class class)co 7410 ℝcr 11103 0cc0 11104 / cdiv 11875 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-resscn 11161 ax-1cn 11162 ax-icn 11163 ax-addcl 11164 ax-addrcl 11165 ax-mulcl 11166 ax-mulrcl 11167 ax-mulcom 11168 ax-addass 11169 ax-mulass 11170 ax-distr 11171 ax-i2m1 11172 ax-1ne0 11173 ax-1rid 11174 ax-rnegex 11175 ax-rrecex 11176 ax-cnre 11177 ax-pre-lttri 11178 ax-pre-lttrn 11179 ax-pre-ltadd 11180 ax-pre-mulgt0 11181 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-op 4596 df-uni 4873 df-br 5110 df-opab 5174 df-mpt 5193 df-id 5556 df-po 5569 df-so 5570 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-er 8690 df-en 8940 df-dom 8941 df-sdom 8942 df-pnf 11249 df-mnf 11250 df-xr 11251 df-ltxr 11252 df-le 11253 df-sub 11447 df-neg 11448 df-div 11876 |
| This theorem is used by: 0.999... 15940 cos2bnd 16248 cos01gt0 16251 flodddiv4 16477 sincos4thpi 26687 sincos6thpi 26690 pige3ALT 26694 log2le1 27124 basellem8 27261 basellem9 27262 ppiub 27377 bposlem7 27463 bposlem8 27464 bposlem9 27465 chebbnd1lem3 27644 dp2lt10 33212 dp2ltsuc 33214 dp2ltc 33215 dplti 33233 threehalves 33243 hgt750lem 35047 asin1half 43146 acos1half 43147 isosctrlem1ALT 45670 stoweidlem26 46768 fourierswlem 46972 goldrarr 47646 goldrapos 47648 |
| Copyright terms: Public domain | W3C validator |