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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 11434 | . 2 ⊢ (𝐵 ≠ 0 → (𝐴 / 𝐵) ∈ ℝ) |
5 | 1, 4 | ax-mp 5 | 1 ⊢ (𝐴 / 𝐵) ∈ ℝ |
Colors of variables: wff setvar class |
Syntax hints: ∈ wcel 2112 ≠ wne 2952 (class class class)co 7148 ℝcr 10564 0cc0 10565 / cdiv 11325 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-sep 5167 ax-nul 5174 ax-pow 5232 ax-pr 5296 ax-un 7457 ax-resscn 10622 ax-1cn 10623 ax-icn 10624 ax-addcl 10625 ax-addrcl 10626 ax-mulcl 10627 ax-mulrcl 10628 ax-mulcom 10629 ax-addass 10630 ax-mulass 10631 ax-distr 10632 ax-i2m1 10633 ax-1ne0 10634 ax-1rid 10635 ax-rnegex 10636 ax-rrecex 10637 ax-cnre 10638 ax-pre-lttri 10639 ax-pre-lttrn 10640 ax-pre-ltadd 10641 ax-pre-mulgt0 10642 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rmo 3079 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-nul 4227 df-if 4419 df-pw 4494 df-sn 4521 df-pr 4523 df-op 4527 df-uni 4797 df-br 5031 df-opab 5093 df-mpt 5111 df-id 5428 df-po 5441 df-so 5442 df-xp 5528 df-rel 5529 df-cnv 5530 df-co 5531 df-dm 5532 df-rn 5533 df-res 5534 df-ima 5535 df-iota 6292 df-fun 6335 df-fn 6336 df-f 6337 df-f1 6338 df-fo 6339 df-f1o 6340 df-fv 6341 df-riota 7106 df-ov 7151 df-oprab 7152 df-mpo 7153 df-er 8297 df-en 8526 df-dom 8527 df-sdom 8528 df-pnf 10705 df-mnf 10706 df-xr 10707 df-ltxr 10708 df-le 10709 df-sub 10900 df-neg 10901 df-div 11326 |
This theorem is referenced by: 0.999... 15275 cos2bnd 15579 cos01gt0 15582 flodddiv4 15804 sincos4thpi 25195 sincos6thpi 25197 pige3ALT 25201 log2le1 25625 basellem8 25762 basellem9 25763 ppiub 25877 bposlem7 25963 bposlem8 25964 bposlem9 25965 chebbnd1lem3 26144 dp2lt10 30672 dp2ltsuc 30674 dp2ltc 30675 dplti 30693 threehalves 30703 hgt750lem 32140 acos1half 39716 isosctrlem1ALT 42003 stoweidlem26 43024 fourierswlem 43228 |
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