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Theorem eulerpartlemf 34936
Description: Lemma for eulerpart 34948: Odd partitions are zero for even numbers. (Contributed by Thierry Arnoux, 9-Sep-2017.)
Hypotheses
Ref Expression
eulerpart.p 𝑃 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ ((◡𝑓 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁)}
eulerpart.o 𝑂 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ (◡𝑔 “ ℕ) ¬ 2 ∥ 𝑛}
eulerpart.d 𝐷 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ ℕ (𝑔‘𝑛) ≤ 1}
eulerpart.j 𝐽 = {𝑧 ∈ ℕ ∣ ¬ 2 ∥ 𝑧}
eulerpart.f 𝐹 = (𝑥 ∈ 𝐽, 𝑦 ∈ ℕ0 ↦ ((2↑𝑦) · 𝑥))
eulerpart.h 𝐻 = {𝑟 ∈ ((𝒫 ℕ0 ∩ Fin) ↑m 𝐽) ∣ (𝑟 supp ∅) ∈ Fin}
eulerpart.m 𝑀 = (𝑟 ∈ 𝐻 ↦ {⟨𝑥, 𝑦⟩ ∣ (𝑥 ∈ 𝐽 ∧ 𝑦 ∈ (𝑟‘𝑥))})
eulerpart.r 𝑅 = {𝑓 ∣ (◡𝑓 “ ℕ) ∈ Fin}
eulerpart.t 𝑇 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ (◡𝑓 “ ℕ) ⊆ 𝐽}
Assertion
Ref Expression
eulerpartlemf ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → (𝐴‘𝑡) = 0)
Distinct variable groups:   𝑧,𝑡   𝑓,𝑔,𝑘,𝑛,𝑡,𝐴   𝑓,𝐽   𝑓,𝑁   𝑃,𝑔
Allowed substitution hints:   𝐴(𝑥, 𝑦, 𝑧, 𝑟)   𝐷(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝑃(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑘, 𝑛, 𝑟)   𝑅(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝑇(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝐹(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝐻(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝐽(𝑥, 𝑦, 𝑧, 𝑡, 𝑔, 𝑘, 𝑛, 𝑟)   𝑀(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)   𝑁(𝑥, 𝑦, 𝑧, 𝑡, 𝑔, 𝑘, 𝑛, 𝑟)   𝑂(𝑥, 𝑦, 𝑧, 𝑡, 𝑓, 𝑔, 𝑘, 𝑛, 𝑟)

Proof of Theorem eulerpartlemf
StepHypRef Expression
1 eldif 3908 . . . . . 6 (𝑡 ∈ (ℕ ∖ 𝐽) ↔ (𝑡 ∈ ℕ ∧ ¬ 𝑡 ∈ 𝐽))
2 breq2 5106 . . . . . . . . . . 11 (𝑧 = 𝑡 → (2 ∥ 𝑧 ↔ 2 ∥ 𝑡))
32notbid 321 . . . . . . . . . 10 (𝑧 = 𝑡 → (¬ 2 ∥ 𝑧 ↔ ¬ 2 ∥ 𝑡))
4 eulerpart.j . . . . . . . . . 10 𝐽 = {𝑧 ∈ ℕ ∣ ¬ 2 ∥ 𝑧}
53, 4elrab2 3648 . . . . . . . . 9 (𝑡 ∈ 𝐽 ↔ (𝑡 ∈ ℕ ∧ ¬ 2 ∥ 𝑡))
65simplbi2 506 . . . . . . . 8 (𝑡 ∈ ℕ → (¬ 2 ∥ 𝑡 → 𝑡 ∈ 𝐽))
76con1d 146 . . . . . . 7 (𝑡 ∈ ℕ → (¬ 𝑡 ∈ 𝐽 → 2 ∥ 𝑡))
87imp 412 . . . . . 6 ((𝑡 ∈ ℕ ∧ ¬ 𝑡 ∈ 𝐽) → 2 ∥ 𝑡)
91, 8sylbi 220 . . . . 5 (𝑡 ∈ (ℕ ∖ 𝐽) → 2 ∥ 𝑡)
109adantl 487 . . . 4 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → 2 ∥ 𝑡)
1110adantr 486 . . 3 (((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) ∧ (𝐴‘𝑡) ∈ ℕ) → 2 ∥ 𝑡)
12 simpll 779 . . . 4 (((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) ∧ (𝐴‘𝑡) ∈ ℕ) → 𝐴 ∈ (𝑇 ∩ 𝑅))
13 eldifi 4077 . . . . . 6 (𝑡 ∈ (ℕ ∖ 𝐽) → 𝑡 ∈ ℕ)
14 eulerpart.p . . . . . . . . . . 11 𝑃 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ ((◡𝑓 “ ℕ) ∈ Fin ∧ Σ𝑘 ∈ ℕ ((𝑓‘𝑘) · 𝑘) = 𝑁)}
15 eulerpart.o . . . . . . . . . . 11 𝑂 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ (◡𝑔 “ ℕ) ¬ 2 ∥ 𝑛}
16 eulerpart.d . . . . . . . . . . 11 𝐷 = {𝑔 ∈ 𝑃 ∣ ∀𝑛 ∈ ℕ (𝑔‘𝑛) ≤ 1}
17 eulerpart.f . . . . . . . . . . 11 𝐹 = (𝑥 ∈ 𝐽, 𝑦 ∈ ℕ0 ↦ ((2↑𝑦) · 𝑥))
18 eulerpart.h . . . . . . . . . . 11 𝐻 = {𝑟 ∈ ((𝒫 ℕ0 ∩ Fin) ↑m 𝐽) ∣ (𝑟 supp ∅) ∈ Fin}
19 eulerpart.m . . . . . . . . . . 11 𝑀 = (𝑟 ∈ 𝐻 ↦ {⟨𝑥, 𝑦⟩ ∣ (𝑥 ∈ 𝐽 ∧ 𝑦 ∈ (𝑟‘𝑥))})
20 eulerpart.r . . . . . . . . . . 11 𝑅 = {𝑓 ∣ (◡𝑓 “ ℕ) ∈ Fin}
21 eulerpart.t . . . . . . . . . . 11 𝑇 = {𝑓 ∈ (ℕ0 ↑m ℕ) ∣ (◡𝑓 “ ℕ) ⊆ 𝐽}
2214, 15, 16, 4, 17, 18, 19, 20, 21eulerpartlemt0 34935 . . . . . . . . . 10 (𝐴 ∈ (𝑇 ∩ 𝑅) ↔ (𝐴 ∈ (ℕ0 ↑m ℕ) ∧ (◡𝐴 “ ℕ) ∈ Fin ∧ (◡𝐴 “ ℕ) ⊆ 𝐽))
2322simp1bi 1163 . . . . . . . . 9 (𝐴 ∈ (𝑇 ∩ 𝑅) → 𝐴 ∈ (ℕ0 ↑m ℕ))
24 elmapi 8847 . . . . . . . . 9 (𝐴 ∈ (ℕ0 ↑m ℕ) → 𝐴:ℕ⟶ℕ0)
2523, 24syl 18 . . . . . . . 8 (𝐴 ∈ (𝑇 ∩ 𝑅) → 𝐴:ℕ⟶ℕ0)
26 ffn 6697 . . . . . . . 8 (𝐴:ℕ⟶ℕ0 → 𝐴 Fn ℕ)
27 elpreima 7045 . . . . . . . 8 (𝐴 Fn ℕ → (𝑡 ∈ (◡𝐴 “ ℕ) ↔ (𝑡 ∈ ℕ ∧ (𝐴‘𝑡) ∈ ℕ)))
2825, 26, 273syl 19 . . . . . . 7 (𝐴 ∈ (𝑇 ∩ 𝑅) → (𝑡 ∈ (◡𝐴 “ ℕ) ↔ (𝑡 ∈ ℕ ∧ (𝐴‘𝑡) ∈ ℕ)))
2928baibd 549 . . . . . 6 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ ℕ) → (𝑡 ∈ (◡𝐴 “ ℕ) ↔ (𝐴‘𝑡) ∈ ℕ))
3013, 29sylan2 605 . . . . 5 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → (𝑡 ∈ (◡𝐴 “ ℕ) ↔ (𝐴‘𝑡) ∈ ℕ))
3130biimpar 483 . . . 4 (((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) ∧ (𝐴‘𝑡) ∈ ℕ) → 𝑡 ∈ (◡𝐴 “ ℕ))
3222simp3bi 1165 . . . . . 6 (𝐴 ∈ (𝑇 ∩ 𝑅) → (◡𝐴 “ ℕ) ⊆ 𝐽)
3332sselda 3930 . . . . 5 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (◡𝐴 “ ℕ)) → 𝑡 ∈ 𝐽)
345simprbi 503 . . . . 5 (𝑡 ∈ 𝐽 → ¬ 2 ∥ 𝑡)
3533, 34syl 18 . . . 4 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (◡𝐴 “ ℕ)) → ¬ 2 ∥ 𝑡)
3612, 31, 35syl2anc 596 . . 3 (((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) ∧ (𝐴‘𝑡) ∈ ℕ) → ¬ 2 ∥ 𝑡)
3711, 36pm2.65da 829 . 2 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → ¬ (𝐴‘𝑡) ∈ ℕ)
3825adantr 486 . . . 4 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → 𝐴:ℕ⟶ℕ0)
3913adantl 487 . . . 4 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → 𝑡 ∈ ℕ)
4038, 39ffvelcdmd 7073 . . 3 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → (𝐴‘𝑡) ∈ ℕ0)
41 elnn0 12577 . . 3 ((𝐴‘𝑡) ∈ ℕ0 ↔ ((𝐴‘𝑡) ∈ ℕ ∨ (𝐴‘𝑡) = 0))
4240, 41sylib 221 . 2 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → ((𝐴‘𝑡) ∈ ℕ ∨ (𝐴‘𝑡) = 0))
43 orel1 902 . 2 (¬ (𝐴‘𝑡) ∈ ℕ → (((𝐴‘𝑡) ∈ ℕ ∨ (𝐴‘𝑡) = 0) → (𝐴‘𝑡) = 0))
4437, 42, 43sylc 66 1 ((𝐴 ∈ (𝑇 ∩ 𝑅) ∧ 𝑡 ∈ (ℕ ∖ 𝐽)) → (𝐴‘𝑡) = 0)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  ¬ wn 3   → wi 4   ↔ wb 209   ∧ wa 401   ∨ wo 861   = wceq 1570   ∈ wcel 2145  {cab 2738  ∀wral 3076  {crab 3412   ∖ cdif 3895   ∩ cin 3897   ⊆ wss 3898  ∅c0 4278  𝒫 cpw 4556   class class class wbr 5102  {copab 5166   ↦ cmpt 5185  ◡ccnv 5646   “ cima 5650   Fn wfn 6522  ⟶wf 6523  ‘cfv 6527  (class class class)co 7408   ∈ cmpo 7410   supp csupp 8155   ↑m cmap 8825  Fincfn 8951  0cc0 11171  1c1 11172   · cmul 11176   ≤ cle 11315  ℕcn 12304  2c2 12366  ℕ0cn0 12575  ↑cexp 14172  Σcsu 15820   ∥ cdvds 16389
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2732  ax-sep 5248  ax-nul 5259  ax-pow 5326  ax-pr 5390  ax-un 7734  ax-1cn 11229  ax-icn 11230  ax-addcl 11231  ax-mulcl 11233  ax-i2m1 11239
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2564  df-eu 2594  df-clab 2739  df-cleq 2752  df-clel 2835  df-nfc 2909  df-ne 2956  df-ral 3077  df-rex 3087  df-rab 3413  df-v 3452  df-sbc 3739  df-csb 3847  df-dif 3901  df-un 3903  df-in 3905  df-ss 3915  df-nul 4279  df-if 4482  df-pw 4558  df-sn 4584  df-pr 4586  df-op 4590  df-uni 4867  df-iun 4952  df-br 5103  df-opab 5167  df-mpt 5186  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-rn 5658  df-res 5659  df-ima 5660  df-iota 6483  df-fun 6529  df-fn 6530  df-f 6531  df-fv 6535  df-ov 7411  df-oprab 7412  df-mpo 7413  df-1st 7984  df-2nd 7985  df-map 8827  df-n0 12576
This theorem is used by:  eulerpartlemgh  34944
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