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Mirrors > Home > ILE Home > Th. List > redivclapi | GIF version |
Description: Closure law for division of reals. (Contributed by Jim Kingdon, 9-Mar-2020.) |
Ref | Expression |
---|---|
redivclap.1 | ⊢ 𝐴 ∈ ℝ |
redivclap.2 | ⊢ 𝐵 ∈ ℝ |
redivclap.3 | ⊢ 𝐵 # 0 |
Ref | Expression |
---|---|
redivclapi | ⊢ (𝐴 / 𝐵) ∈ ℝ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | redivclap.3 | . 2 ⊢ 𝐵 # 0 | |
2 | redivclap.1 | . . 3 ⊢ 𝐴 ∈ ℝ | |
3 | redivclap.2 | . . 3 ⊢ 𝐵 ∈ ℝ | |
4 | 2, 3 | redivclapzi 8541 | . 2 ⊢ (𝐵 # 0 → (𝐴 / 𝐵) ∈ ℝ) |
5 | 1, 4 | ax-mp 5 | 1 ⊢ (𝐴 / 𝐵) ∈ ℝ |
Colors of variables: wff set class |
Syntax hints: ∈ wcel 1480 class class class wbr 3929 (class class class)co 5774 ℝcr 7622 0cc0 7623 # cap 8346 / cdiv 8435 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7714 ax-resscn 7715 ax-1cn 7716 ax-1re 7717 ax-icn 7718 ax-addcl 7719 ax-addrcl 7720 ax-mulcl 7721 ax-mulrcl 7722 ax-addcom 7723 ax-mulcom 7724 ax-addass 7725 ax-mulass 7726 ax-distr 7727 ax-i2m1 7728 ax-0lt1 7729 ax-1rid 7730 ax-0id 7731 ax-rnegex 7732 ax-precex 7733 ax-cnre 7734 ax-pre-ltirr 7735 ax-pre-ltwlin 7736 ax-pre-lttrn 7737 ax-pre-apti 7738 ax-pre-ltadd 7739 ax-pre-mulgt0 7740 ax-pre-mulext 7741 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-nel 2404 df-ral 2421 df-rex 2422 df-reu 2423 df-rmo 2424 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-id 4215 df-po 4218 df-iso 4219 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-riota 5730 df-ov 5777 df-oprab 5778 df-mpo 5779 df-pnf 7805 df-mnf 7806 df-xr 7807 df-ltxr 7808 df-le 7809 df-sub 7938 df-neg 7939 df-reap 8340 df-ap 8347 df-div 8436 |
This theorem is referenced by: 0.999... 11293 cos2bnd 11470 cos01gt0 11472 coseq0negpitopi 12920 sincos4thpi 12924 sincos6thpi 12926 |
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