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Mathbox for Glauco Siliprandi |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > etransclem3 | Structured version Visualization version GIF version |
Description: The given if term is an integer. (Contributed by Glauco Siliprandi, 5-Apr-2020.) |
Ref | Expression |
---|---|
etransclem3.n | ⊢ (𝜑 → 𝑃 ∈ ℕ) |
etransclem3.c | ⊢ (𝜑 → 𝐶:(0...𝑀)⟶(0...𝑁)) |
etransclem3.j | ⊢ (𝜑 → 𝐽 ∈ (0...𝑀)) |
etransclem3.4 | ⊢ (𝜑 → 𝐾 ∈ ℤ) |
Ref | Expression |
---|---|
etransclem3 | ⊢ (𝜑 → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐾 − 𝐽)↑(𝑃 − (𝐶‘𝐽))))) ∈ ℤ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0zd 12622 | . 2 ⊢ ((𝜑 ∧ 𝑃 < (𝐶‘𝐽)) → 0 ∈ ℤ) | |
2 | 0zd 12622 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → 0 ∈ ℤ) | |
3 | etransclem3.n | . . . . . . . 8 ⊢ (𝜑 → 𝑃 ∈ ℕ) | |
4 | 3 | nnzd 12637 | . . . . . . 7 ⊢ (𝜑 → 𝑃 ∈ ℤ) |
5 | 4 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → 𝑃 ∈ ℤ) |
6 | etransclem3.c | . . . . . . . . . 10 ⊢ (𝜑 → 𝐶:(0...𝑀)⟶(0...𝑁)) | |
7 | etransclem3.j | . . . . . . . . . 10 ⊢ (𝜑 → 𝐽 ∈ (0...𝑀)) | |
8 | 6, 7 | ffvelcdmd 7104 | . . . . . . . . 9 ⊢ (𝜑 → (𝐶‘𝐽) ∈ (0...𝑁)) |
9 | 8 | elfzelzd 13561 | . . . . . . . 8 ⊢ (𝜑 → (𝐶‘𝐽) ∈ ℤ) |
10 | 4, 9 | zsubcld 12724 | . . . . . . 7 ⊢ (𝜑 → (𝑃 − (𝐶‘𝐽)) ∈ ℤ) |
11 | 10 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) ∈ ℤ) |
12 | 9 | zred 12719 | . . . . . . . . 9 ⊢ (𝜑 → (𝐶‘𝐽) ∈ ℝ) |
13 | 12 | adantr 480 | . . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝐶‘𝐽) ∈ ℝ) |
14 | 5 | zred 12719 | . . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → 𝑃 ∈ ℝ) |
15 | simpr 484 | . . . . . . . 8 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → ¬ 𝑃 < (𝐶‘𝐽)) | |
16 | 13, 14, 15 | nltled 11408 | . . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝐶‘𝐽) ≤ 𝑃) |
17 | 14, 13 | subge0d 11850 | . . . . . . 7 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (0 ≤ (𝑃 − (𝐶‘𝐽)) ↔ (𝐶‘𝐽) ≤ 𝑃)) |
18 | 16, 17 | mpbird 257 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → 0 ≤ (𝑃 − (𝐶‘𝐽))) |
19 | elfzle1 13563 | . . . . . . . . 9 ⊢ ((𝐶‘𝐽) ∈ (0...𝑁) → 0 ≤ (𝐶‘𝐽)) | |
20 | 8, 19 | syl 17 | . . . . . . . 8 ⊢ (𝜑 → 0 ≤ (𝐶‘𝐽)) |
21 | 3 | nnred 12278 | . . . . . . . . 9 ⊢ (𝜑 → 𝑃 ∈ ℝ) |
22 | 21, 12 | subge02d 11852 | . . . . . . . 8 ⊢ (𝜑 → (0 ≤ (𝐶‘𝐽) ↔ (𝑃 − (𝐶‘𝐽)) ≤ 𝑃)) |
23 | 20, 22 | mpbid 232 | . . . . . . 7 ⊢ (𝜑 → (𝑃 − (𝐶‘𝐽)) ≤ 𝑃) |
24 | 23 | adantr 480 | . . . . . 6 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) ≤ 𝑃) |
25 | 2, 5, 11, 18, 24 | elfzd 13551 | . . . . 5 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) ∈ (0...𝑃)) |
26 | permnn 14361 | . . . . 5 ⊢ ((𝑃 − (𝐶‘𝐽)) ∈ (0...𝑃) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) ∈ ℕ) | |
27 | 25, 26 | syl 17 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) ∈ ℕ) |
28 | 27 | nnzd 12637 | . . 3 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → ((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) ∈ ℤ) |
29 | etransclem3.4 | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ ℤ) | |
30 | 7 | elfzelzd 13561 | . . . . . 6 ⊢ (𝜑 → 𝐽 ∈ ℤ) |
31 | 29, 30 | zsubcld 12724 | . . . . 5 ⊢ (𝜑 → (𝐾 − 𝐽) ∈ ℤ) |
32 | 31 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝐾 − 𝐽) ∈ ℤ) |
33 | elnn0z 12623 | . . . . 5 ⊢ ((𝑃 − (𝐶‘𝐽)) ∈ ℕ0 ↔ ((𝑃 − (𝐶‘𝐽)) ∈ ℤ ∧ 0 ≤ (𝑃 − (𝐶‘𝐽)))) | |
34 | 11, 18, 33 | sylanbrc 583 | . . . 4 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (𝑃 − (𝐶‘𝐽)) ∈ ℕ0) |
35 | zexpcl 14113 | . . . 4 ⊢ (((𝐾 − 𝐽) ∈ ℤ ∧ (𝑃 − (𝐶‘𝐽)) ∈ ℕ0) → ((𝐾 − 𝐽)↑(𝑃 − (𝐶‘𝐽))) ∈ ℤ) | |
36 | 32, 34, 35 | syl2anc 584 | . . 3 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → ((𝐾 − 𝐽)↑(𝑃 − (𝐶‘𝐽))) ∈ ℤ) |
37 | 28, 36 | zmulcld 12725 | . 2 ⊢ ((𝜑 ∧ ¬ 𝑃 < (𝐶‘𝐽)) → (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐾 − 𝐽)↑(𝑃 − (𝐶‘𝐽)))) ∈ ℤ) |
38 | 1, 37 | ifclda 4565 | 1 ⊢ (𝜑 → if(𝑃 < (𝐶‘𝐽), 0, (((!‘𝑃) / (!‘(𝑃 − (𝐶‘𝐽)))) · ((𝐾 − 𝐽)↑(𝑃 − (𝐶‘𝐽))))) ∈ ℤ) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ∧ wa 395 ∈ wcel 2105 ifcif 4530 class class class wbr 5147 ⟶wf 6558 ‘cfv 6562 (class class class)co 7430 ℝcr 11151 0cc0 11152 · cmul 11157 < clt 11292 ≤ cle 11293 − cmin 11489 / cdiv 11917 ℕcn 12263 ℕ0cn0 12523 ℤcz 12610 ...cfz 13543 ↑cexp 14098 !cfa 14308 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-op 4637 df-uni 4912 df-iun 4997 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-om 7887 df-1st 8012 df-2nd 8013 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-er 8743 df-en 8984 df-dom 8985 df-sdom 8986 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-div 11918 df-nn 12264 df-n0 12524 df-z 12611 df-uz 12876 df-rp 13032 df-fz 13544 df-seq 14039 df-exp 14099 df-fac 14309 df-bc 14338 |
This theorem is referenced by: etransclem24 46213 etransclem25 46214 etransclem26 46215 etransclem35 46224 etransclem37 46226 |
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