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Mirrors > Home > MPE Home > Th. List > nn0nndivcl | Structured version Visualization version GIF version |
Description: Closure law for dividing of a nonnegative integer by a positive integer. (Contributed by Alexander van der Vekens, 14-Apr-2018.) |
Ref | Expression |
---|---|
nn0nndivcl | ⊢ ((𝐾 ∈ ℕ0 ∧ 𝐿 ∈ ℕ) → (𝐾 / 𝐿) ∈ ℝ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elnnne0 12386 | . . 3 ⊢ (𝐿 ∈ ℕ ↔ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) | |
2 | nn0re 12381 | . . . . 5 ⊢ (𝐾 ∈ ℕ0 → 𝐾 ∈ ℝ) | |
3 | 2 | adantr 482 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐾 ∈ ℝ) |
4 | nn0re 12381 | . . . . 5 ⊢ (𝐿 ∈ ℕ0 → 𝐿 ∈ ℝ) | |
5 | 4 | ad2antrl 727 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐿 ∈ ℝ) |
6 | simprr 772 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐿 ≠ 0) | |
7 | 3, 5, 6 | 3jca 1129 | . . 3 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → (𝐾 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝐿 ≠ 0)) |
8 | 1, 7 | sylan2b 595 | . 2 ⊢ ((𝐾 ∈ ℕ0 ∧ 𝐿 ∈ ℕ) → (𝐾 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝐿 ≠ 0)) |
9 | redivcl 11833 | . 2 ⊢ ((𝐾 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝐿 ≠ 0) → (𝐾 / 𝐿) ∈ ℝ) | |
10 | 8, 9 | syl 17 | 1 ⊢ ((𝐾 ∈ ℕ0 ∧ 𝐿 ∈ ℕ) → (𝐾 / 𝐿) ∈ ℝ) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 397 ∧ w3a 1088 ∈ wcel 2107 ≠ wne 2942 (class class class)co 7352 ℝcr 11009 0cc0 11010 / cdiv 11771 ℕcn 12112 ℕ0cn0 12372 |
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 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-10 2138 ax-11 2155 ax-12 2172 ax-ext 2709 ax-sep 5255 ax-nul 5262 ax-pow 5319 ax-pr 5383 ax-un 7665 ax-resscn 11067 ax-1cn 11068 ax-icn 11069 ax-addcl 11070 ax-addrcl 11071 ax-mulcl 11072 ax-mulrcl 11073 ax-mulcom 11074 ax-addass 11075 ax-mulass 11076 ax-distr 11077 ax-i2m1 11078 ax-1ne0 11079 ax-1rid 11080 ax-rnegex 11081 ax-rrecex 11082 ax-cnre 11083 ax-pre-lttri 11084 ax-pre-lttrn 11085 ax-pre-ltadd 11086 ax-pre-mulgt0 11087 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-nf 1787 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3064 df-rex 3073 df-rmo 3352 df-reu 3353 df-rab 3407 df-v 3446 df-sbc 3739 df-csb 3855 df-dif 3912 df-un 3914 df-in 3916 df-ss 3926 df-pss 3928 df-nul 4282 df-if 4486 df-pw 4561 df-sn 4586 df-pr 4588 df-op 4592 df-uni 4865 df-iun 4955 df-br 5105 df-opab 5167 df-mpt 5188 df-tr 5222 df-id 5530 df-eprel 5536 df-po 5544 df-so 5545 df-fr 5587 df-we 5589 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6252 df-ord 6319 df-on 6320 df-lim 6321 df-suc 6322 df-iota 6446 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-riota 7308 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7796 df-2nd 7915 df-frecs 8205 df-wrecs 8236 df-recs 8310 df-rdg 8349 df-er 8607 df-en 8843 df-dom 8844 df-sdom 8845 df-pnf 11150 df-mnf 11151 df-xr 11152 df-ltxr 11153 df-le 11154 df-sub 11346 df-neg 11347 df-div 11772 df-nn 12113 df-n0 12373 |
This theorem is referenced by: adddivflid 13678 fldivnn0 13682 divfl0 13684 flltdivnn0lt 13693 quoremnn0ALT 13717 faclimlem3 34128 faclim 34129 iprodfac 34130 |
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