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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 11899 | . . 3 ⊢ (𝐿 ∈ ℕ ↔ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) | |
2 | nn0re 11894 | . . . . 5 ⊢ (𝐾 ∈ ℕ0 → 𝐾 ∈ ℝ) | |
3 | 2 | adantr 481 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐾 ∈ ℝ) |
4 | nn0re 11894 | . . . . 5 ⊢ (𝐿 ∈ ℕ0 → 𝐿 ∈ ℝ) | |
5 | 4 | ad2antrl 724 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐿 ∈ ℝ) |
6 | simprr 769 | . . . 4 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → 𝐿 ≠ 0) | |
7 | 3, 5, 6 | 3jca 1120 | . . 3 ⊢ ((𝐾 ∈ ℕ0 ∧ (𝐿 ∈ ℕ0 ∧ 𝐿 ≠ 0)) → (𝐾 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝐿 ≠ 0)) |
8 | 1, 7 | sylan2b 593 | . 2 ⊢ ((𝐾 ∈ ℕ0 ∧ 𝐿 ∈ ℕ) → (𝐾 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝐿 ≠ 0)) |
9 | redivcl 11347 | . 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 396 ∧ w3a 1079 ∈ wcel 2105 ≠ wne 3013 (class class class)co 7145 ℝcr 10524 0cc0 10525 / cdiv 11285 ℕcn 11626 ℕ0cn0 11885 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1787 ax-4 1801 ax-5 1902 ax-6 1961 ax-7 2006 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2151 ax-12 2167 ax-ext 2790 ax-sep 5194 ax-nul 5201 ax-pow 5257 ax-pr 5320 ax-un 7450 ax-resscn 10582 ax-1cn 10583 ax-icn 10584 ax-addcl 10585 ax-addrcl 10586 ax-mulcl 10587 ax-mulrcl 10588 ax-mulcom 10589 ax-addass 10590 ax-mulass 10591 ax-distr 10592 ax-i2m1 10593 ax-1ne0 10594 ax-1rid 10595 ax-rnegex 10596 ax-rrecex 10597 ax-cnre 10598 ax-pre-lttri 10599 ax-pre-lttrn 10600 ax-pre-ltadd 10601 ax-pre-mulgt0 10602 |
This theorem depends on definitions: df-bi 208 df-an 397 df-or 842 df-3or 1080 df-3an 1081 df-tru 1531 df-ex 1772 df-nf 1776 df-sb 2061 df-mo 2615 df-eu 2647 df-clab 2797 df-cleq 2811 df-clel 2890 df-nfc 2960 df-ne 3014 df-nel 3121 df-ral 3140 df-rex 3141 df-reu 3142 df-rmo 3143 df-rab 3144 df-v 3494 df-sbc 3770 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4464 df-pw 4537 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4831 df-iun 4912 df-br 5058 df-opab 5120 df-mpt 5138 df-tr 5164 df-id 5453 df-eprel 5458 df-po 5467 df-so 5468 df-fr 5507 df-we 5509 df-xp 5554 df-rel 5555 df-cnv 5556 df-co 5557 df-dm 5558 df-rn 5559 df-res 5560 df-ima 5561 df-pred 6141 df-ord 6187 df-on 6188 df-lim 6189 df-suc 6190 df-iota 6307 df-fun 6350 df-fn 6351 df-f 6352 df-f1 6353 df-fo 6354 df-f1o 6355 df-fv 6356 df-riota 7103 df-ov 7148 df-oprab 7149 df-mpo 7150 df-om 7570 df-wrecs 7936 df-recs 7997 df-rdg 8035 df-er 8278 df-en 8498 df-dom 8499 df-sdom 8500 df-pnf 10665 df-mnf 10666 df-xr 10667 df-ltxr 10668 df-le 10669 df-sub 10860 df-neg 10861 df-div 11286 df-nn 11627 df-n0 11886 |
This theorem is referenced by: adddivflid 13176 fldivnn0 13180 divfl0 13182 flltdivnn0lt 13191 quoremnn0ALT 13213 faclimlem3 32874 faclim 32875 iprodfac 32876 |
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