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Mirrors > Home > MPE Home > Th. List > nndivre | Structured version Visualization version GIF version |
Description: The quotient of a real and a positive integer is real. (Contributed by NM, 28-Nov-2008.) |
Ref | Expression |
---|---|
nndivre | ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ) → (𝐴 / 𝑁) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nnre 10904 | . . 3 ⊢ (𝑁 ∈ ℕ → 𝑁 ∈ ℝ) | |
2 | nnne0 10930 | . . 3 ⊢ (𝑁 ∈ ℕ → 𝑁 ≠ 0) | |
3 | 1, 2 | jca 553 | . 2 ⊢ (𝑁 ∈ ℕ → (𝑁 ∈ ℝ ∧ 𝑁 ≠ 0)) |
4 | redivcl 10623 | . . 3 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℝ ∧ 𝑁 ≠ 0) → (𝐴 / 𝑁) ∈ ℝ) | |
5 | 4 | 3expb 1258 | . 2 ⊢ ((𝐴 ∈ ℝ ∧ (𝑁 ∈ ℝ ∧ 𝑁 ≠ 0)) → (𝐴 / 𝑁) ∈ ℝ) |
6 | 3, 5 | sylan2 490 | 1 ⊢ ((𝐴 ∈ ℝ ∧ 𝑁 ∈ ℕ) → (𝐴 / 𝑁) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∈ wcel 1977 ≠ wne 2780 (class class class)co 6549 ℝcr 9814 0cc0 9815 / cdiv 10563 ℕcn 10897 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-8 1979 ax-9 1986 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-sep 4709 ax-nul 4717 ax-pow 4769 ax-pr 4833 ax-un 6847 ax-resscn 9872 ax-1cn 9873 ax-icn 9874 ax-addcl 9875 ax-addrcl 9876 ax-mulcl 9877 ax-mulrcl 9878 ax-mulcom 9879 ax-addass 9880 ax-mulass 9881 ax-distr 9882 ax-i2m1 9883 ax-1ne0 9884 ax-1rid 9885 ax-rnegex 9886 ax-rrecex 9887 ax-cnre 9888 ax-pre-lttri 9889 ax-pre-lttrn 9890 ax-pre-ltadd 9891 ax-pre-mulgt0 9892 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-3or 1032 df-3an 1033 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-mo 2463 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ne 2782 df-nel 2783 df-ral 2901 df-rex 2902 df-reu 2903 df-rmo 2904 df-rab 2905 df-v 3175 df-sbc 3403 df-csb 3500 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-pss 3556 df-nul 3875 df-if 4037 df-pw 4110 df-sn 4126 df-pr 4128 df-tp 4130 df-op 4132 df-uni 4373 df-iun 4457 df-br 4584 df-opab 4644 df-mpt 4645 df-tr 4681 df-eprel 4949 df-id 4953 df-po 4959 df-so 4960 df-fr 4997 df-we 4999 df-xp 5044 df-rel 5045 df-cnv 5046 df-co 5047 df-dm 5048 df-rn 5049 df-res 5050 df-ima 5051 df-pred 5597 df-ord 5643 df-on 5644 df-lim 5645 df-suc 5646 df-iota 5768 df-fun 5806 df-fn 5807 df-f 5808 df-f1 5809 df-fo 5810 df-f1o 5811 df-fv 5812 df-riota 6511 df-ov 6552 df-oprab 6553 df-mpt2 6554 df-om 6958 df-wrecs 7294 df-recs 7355 df-rdg 7393 df-er 7629 df-en 7842 df-dom 7843 df-sdom 7844 df-pnf 9955 df-mnf 9956 df-xr 9957 df-ltxr 9958 df-le 9959 df-sub 10147 df-neg 10148 df-div 10564 df-nn 10898 |
This theorem is referenced by: nnrecre 10934 nndivred 10946 fldiv2 12522 zmodcl 12552 iexpcyc 12831 sqrlem7 13837 expcnv 14435 ef01bndlem 14753 sin01bnd 14754 cos01bnd 14755 rpnnen2lem2 14783 rpnnen2lem3 14784 rpnnen2lem4 14785 rpnnen2lem9 14790 fldivp1 15439 ovoliunlem1 23077 dyadf 23165 dyadovol 23167 mbfi1fseqlem3 23290 mbfi1fseqlem4 23291 dveflem 23546 plyeq0lem 23770 tangtx 24061 tan4thpi 24070 root1id 24295 root1eq1 24296 root1cj 24297 cxpeq 24298 1cubrlem 24368 atan1 24455 log2tlbnd 24472 log2ublem1 24473 log2ublem2 24474 log2ub 24476 birthdaylem3 24480 birthday 24481 basellem5 24611 basellem8 24614 ppiub 24729 logfac2 24742 dchrptlem1 24789 dchrptlem2 24790 bposlem3 24811 bposlem4 24812 bposlem5 24813 bposlem6 24814 bposlem9 24817 vmadivsum 24971 dchrisum0lem1a 24975 dchrmusum2 24983 dchrvmasum2if 24986 dchrvmasumlem2 24987 dchrvmasumiflem1 24990 dchrvmasumiflem2 24991 dchrisum0re 25002 dchrisum0lem1b 25004 dchrisum0lem1 25005 dchrvmasumlem 25012 rplogsum 25016 mudivsum 25019 selberg2 25040 chpdifbndlem1 25042 selberg3lem1 25046 selbergr 25057 pntlemb 25086 pntlemg 25087 pntlemf 25094 snmlff 30565 sinccvglem 30820 circum 30822 poimirlem29 32608 poimirlem30 32609 poimirlem32 32611 |
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