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Theorem sticksstones18 42664
Description: Extend sticks and stones to finite sets, bijective builder. (Contributed by metakunt, 23-Oct-2024.)
Hypotheses
Ref Expression
sticksstones18.1 (𝜑𝑁 ∈ ℕ0)
sticksstones18.2 (𝜑𝐾 ∈ ℕ0)
sticksstones18.3 𝐴 = {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)}
sticksstones18.4 𝐵 = { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)}
sticksstones18.5 (𝜑𝑍:(1...𝐾)–1-1-onto𝑆)
sticksstones18.6 𝐹 = (𝑎𝐴 ↦ (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))))
Assertion
Ref Expression
sticksstones18 (𝜑𝐹:𝐴𝐵)
Distinct variable groups:   𝐴,𝑎,𝑖,𝑥   𝐵,𝑎   𝑔,𝐾,𝑖   𝑔,𝑁   ,𝑁   𝑆,,𝑖,𝑥   ,𝑍,𝑖,𝑥   𝑔,𝑎   ,𝑎   𝜑,𝑎,𝑖,𝑥
Allowed substitution hints:   𝜑(𝑔,)   𝐴(𝑔,)   𝐵(𝑥,𝑔,,𝑖)   𝑆(𝑔,𝑎)   𝐹(𝑥,𝑔,,𝑖,𝑎)   𝐾(𝑥,,𝑎)   𝑁(𝑥,𝑖,𝑎)   𝑍(𝑔,𝑎)

Proof of Theorem sticksstones18
Dummy variable 𝑛 is distinct from all other variables.
StepHypRef Expression
1 sticksstones18.3 . . . . . . . . . . . . . 14 𝐴 = {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)}
21eqimssi 3977 . . . . . . . . . . . . 13 𝐴 ⊆ {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)}
32a1i 11 . . . . . . . . . . . 12 (𝜑𝐴 ⊆ {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)})
43sseld 3916 . . . . . . . . . . 11 (𝜑 → (𝑎𝐴𝑎 ∈ {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)}))
54imp 408 . . . . . . . . . 10 ((𝜑𝑎𝐴) → 𝑎 ∈ {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)})
6 vex 3437 . . . . . . . . . . 11 𝑎 ∈ V
7 feq1 6637 . . . . . . . . . . . 12 (𝑔 = 𝑎 → (𝑔:(1...𝐾)⟶ℕ0𝑎:(1...𝐾)⟶ℕ0))
8 simpl 484 . . . . . . . . . . . . . . 15 ((𝑔 = 𝑎𝑖 ∈ (1...𝐾)) → 𝑔 = 𝑎)
98fveq1d 6833 . . . . . . . . . . . . . 14 ((𝑔 = 𝑎𝑖 ∈ (1...𝐾)) → (𝑔𝑖) = (𝑎𝑖))
109sumeq2dv 15659 . . . . . . . . . . . . 13 (𝑔 = 𝑎 → Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = Σ𝑖 ∈ (1...𝐾)(𝑎𝑖))
1110eqeq1d 2743 . . . . . . . . . . . 12 (𝑔 = 𝑎 → (Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁 ↔ Σ𝑖 ∈ (1...𝐾)(𝑎𝑖) = 𝑁))
127, 11anbi12d 639 . . . . . . . . . . 11 (𝑔 = 𝑎 → ((𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁) ↔ (𝑎:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑎𝑖) = 𝑁)))
136, 12elab 3619 . . . . . . . . . 10 (𝑎 ∈ {𝑔 ∣ (𝑔:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑔𝑖) = 𝑁)} ↔ (𝑎:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑎𝑖) = 𝑁))
145, 13sylib 220 . . . . . . . . 9 ((𝜑𝑎𝐴) → (𝑎:(1...𝐾)⟶ℕ0 ∧ Σ𝑖 ∈ (1...𝐾)(𝑎𝑖) = 𝑁))
1514simpld 496 . . . . . . . 8 ((𝜑𝑎𝐴) → 𝑎:(1...𝐾)⟶ℕ0)
1615adantr 482 . . . . . . 7 (((𝜑𝑎𝐴) ∧ 𝑥𝑆) → 𝑎:(1...𝐾)⟶ℕ0)
17 sticksstones18.5 . . . . . . . . . . 11 (𝜑𝑍:(1...𝐾)–1-1-onto𝑆)
18 f1ocnv 6783 . . . . . . . . . . 11 (𝑍:(1...𝐾)–1-1-onto𝑆𝑍:𝑆1-1-onto→(1...𝐾))
1917, 18syl 17 . . . . . . . . . 10 (𝜑𝑍:𝑆1-1-onto→(1...𝐾))
20 f1of 6771 . . . . . . . . . 10 (𝑍:𝑆1-1-onto→(1...𝐾) → 𝑍:𝑆⟶(1...𝐾))
2119, 20syl 17 . . . . . . . . 9 (𝜑𝑍:𝑆⟶(1...𝐾))
2221adantr 482 . . . . . . . 8 ((𝜑𝑎𝐴) → 𝑍:𝑆⟶(1...𝐾))
2322ffvelcdmda 7029 . . . . . . 7 (((𝜑𝑎𝐴) ∧ 𝑥𝑆) → (𝑍𝑥) ∈ (1...𝐾))
2416, 23ffvelcdmd 7030 . . . . . 6 (((𝜑𝑎𝐴) ∧ 𝑥𝑆) → (𝑎‘(𝑍𝑥)) ∈ ℕ0)
2524fmpttd 7060 . . . . 5 ((𝜑𝑎𝐴) → (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0)
26 eqidd 2742 . . . . . . . 8 (((𝜑𝑎𝐴) ∧ 𝑖𝑆) → (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))))
27 simpr 486 . . . . . . . . . 10 ((((𝜑𝑎𝐴) ∧ 𝑖𝑆) ∧ 𝑥 = 𝑖) → 𝑥 = 𝑖)
2827fveq2d 6835 . . . . . . . . 9 ((((𝜑𝑎𝐴) ∧ 𝑖𝑆) ∧ 𝑥 = 𝑖) → (𝑍𝑥) = (𝑍𝑖))
2928fveq2d 6835 . . . . . . . 8 ((((𝜑𝑎𝐴) ∧ 𝑖𝑆) ∧ 𝑥 = 𝑖) → (𝑎‘(𝑍𝑥)) = (𝑎‘(𝑍𝑖)))
30 simpr 486 . . . . . . . 8 (((𝜑𝑎𝐴) ∧ 𝑖𝑆) → 𝑖𝑆)
31 fvexd 6846 . . . . . . . 8 (((𝜑𝑎𝐴) ∧ 𝑖𝑆) → (𝑎‘(𝑍𝑖)) ∈ V)
3226, 29, 30, 31fvmptd 6947 . . . . . . 7 (((𝜑𝑎𝐴) ∧ 𝑖𝑆) → ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = (𝑎‘(𝑍𝑖)))
3332sumeq2dv 15659 . . . . . 6 ((𝜑𝑎𝐴) → Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = Σ𝑖𝑆 (𝑎‘(𝑍𝑖)))
34 fveq2 6831 . . . . . . . . 9 (𝑛 = (𝑍𝑖) → (𝑎𝑛) = (𝑎‘(𝑍𝑖)))
35 fzfid 13930 . . . . . . . . . 10 ((𝜑𝑎𝐴) → (1...𝐾) ∈ Fin)
3617adantr 482 . . . . . . . . . . . 12 ((𝜑𝑎𝐴) → 𝑍:(1...𝐾)–1-1-onto𝑆)
37 f1oenfi 9107 . . . . . . . . . . . 12 (((1...𝐾) ∈ Fin ∧ 𝑍:(1...𝐾)–1-1-onto𝑆) → (1...𝐾) ≈ 𝑆)
3835, 36, 37syl2anc 591 . . . . . . . . . . 11 ((𝜑𝑎𝐴) → (1...𝐾) ≈ 𝑆)
3938ensymd 8946 . . . . . . . . . 10 ((𝜑𝑎𝐴) → 𝑆 ≈ (1...𝐾))
40 enfii 9114 . . . . . . . . . 10 (((1...𝐾) ∈ Fin ∧ 𝑆 ≈ (1...𝐾)) → 𝑆 ∈ Fin)
4135, 39, 40syl2anc 591 . . . . . . . . 9 ((𝜑𝑎𝐴) → 𝑆 ∈ Fin)
4219adantr 482 . . . . . . . . 9 ((𝜑𝑎𝐴) → 𝑍:𝑆1-1-onto→(1...𝐾))
43 eqidd 2742 . . . . . . . . 9 (((𝜑𝑎𝐴) ∧ 𝑖𝑆) → (𝑍𝑖) = (𝑍𝑖))
44 nn0sscn 12437 . . . . . . . . . . . 12 0 ⊆ ℂ
4544a1i 11 . . . . . . . . . . 11 ((𝜑𝑎𝐴) → ℕ0 ⊆ ℂ)
46 fss 6675 . . . . . . . . . . 11 ((𝑎:(1...𝐾)⟶ℕ0 ∧ ℕ0 ⊆ ℂ) → 𝑎:(1...𝐾)⟶ℂ)
4715, 45, 46syl2anc 591 . . . . . . . . . 10 ((𝜑𝑎𝐴) → 𝑎:(1...𝐾)⟶ℂ)
4847ffvelcdmda 7029 . . . . . . . . 9 (((𝜑𝑎𝐴) ∧ 𝑛 ∈ (1...𝐾)) → (𝑎𝑛) ∈ ℂ)
4934, 41, 42, 43, 48fsumf1o 15680 . . . . . . . 8 ((𝜑𝑎𝐴) → Σ𝑛 ∈ (1...𝐾)(𝑎𝑛) = Σ𝑖𝑆 (𝑎‘(𝑍𝑖)))
5049eqcomd 2747 . . . . . . 7 ((𝜑𝑎𝐴) → Σ𝑖𝑆 (𝑎‘(𝑍𝑖)) = Σ𝑛 ∈ (1...𝐾)(𝑎𝑛))
51 fveq2 6831 . . . . . . . . . 10 (𝑛 = 𝑖 → (𝑎𝑛) = (𝑎𝑖))
5251cbvsumv 15653 . . . . . . . . 9 Σ𝑛 ∈ (1...𝐾)(𝑎𝑛) = Σ𝑖 ∈ (1...𝐾)(𝑎𝑖)
5352a1i 11 . . . . . . . 8 ((𝜑𝑎𝐴) → Σ𝑛 ∈ (1...𝐾)(𝑎𝑛) = Σ𝑖 ∈ (1...𝐾)(𝑎𝑖))
5414simprd 497 . . . . . . . 8 ((𝜑𝑎𝐴) → Σ𝑖 ∈ (1...𝐾)(𝑎𝑖) = 𝑁)
5553, 54eqtrd 2776 . . . . . . 7 ((𝜑𝑎𝐴) → Σ𝑛 ∈ (1...𝐾)(𝑎𝑛) = 𝑁)
5650, 55eqtrd 2776 . . . . . 6 ((𝜑𝑎𝐴) → Σ𝑖𝑆 (𝑎‘(𝑍𝑖)) = 𝑁)
5733, 56eqtrd 2776 . . . . 5 ((𝜑𝑎𝐴) → Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁)
5825, 57jca 517 . . . 4 ((𝜑𝑎𝐴) → ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0 ∧ Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁))
59 fzfid 13930 . . . . . . . 8 (𝜑 → (1...𝐾) ∈ Fin)
6059adantr 482 . . . . . . 7 ((𝜑𝑎𝐴) → (1...𝐾) ∈ Fin)
6159, 17, 37syl2anc 591 . . . . . . . . 9 (𝜑 → (1...𝐾) ≈ 𝑆)
6261ensymd 8946 . . . . . . . 8 (𝜑𝑆 ≈ (1...𝐾))
6362adantr 482 . . . . . . 7 ((𝜑𝑎𝐴) → 𝑆 ≈ (1...𝐾))
6460, 63, 40syl2anc 591 . . . . . 6 ((𝜑𝑎𝐴) → 𝑆 ∈ Fin)
6564mptexd 7172 . . . . 5 ((𝜑𝑎𝐴) → (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ V)
66 feq1 6637 . . . . . . 7 ( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) → (:𝑆⟶ℕ0 ↔ (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0))
67 simpl 484 . . . . . . . . . 10 (( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∧ 𝑖𝑆) → = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))))
6867fveq1d 6833 . . . . . . . . 9 (( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∧ 𝑖𝑆) → (𝑖) = ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖))
6968sumeq2dv 15659 . . . . . . . 8 ( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) → Σ𝑖𝑆 (𝑖) = Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖))
7069eqeq1d 2743 . . . . . . 7 ( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) → (Σ𝑖𝑆 (𝑖) = 𝑁 ↔ Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁))
7166, 70anbi12d 639 . . . . . 6 ( = (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) → ((:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁) ↔ ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0 ∧ Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁)))
7271elabg 3616 . . . . 5 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ V → ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)} ↔ ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0 ∧ Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁)))
7365, 72syl 17 . . . 4 ((𝜑𝑎𝐴) → ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)} ↔ ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))):𝑆⟶ℕ0 ∧ Σ𝑖𝑆 ((𝑥𝑆 ↦ (𝑎‘(𝑍𝑥)))‘𝑖) = 𝑁)))
7458, 73mpbird 259 . . 3 ((𝜑𝑎𝐴) → (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)})
75 sticksstones18.4 . . . 4 𝐵 = { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)}
7675a1i 11 . . 3 ((𝜑𝑎𝐴) → 𝐵 = { ∣ (:𝑆⟶ℕ0 ∧ Σ𝑖𝑆 (𝑖) = 𝑁)})
7774, 76eleqtrrd 2844 . 2 ((𝜑𝑎𝐴) → (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))) ∈ 𝐵)
78 sticksstones18.6 . 2 𝐹 = (𝑎𝐴 ↦ (𝑥𝑆 ↦ (𝑎‘(𝑍𝑥))))
7977, 78fmptd 7059 1 (𝜑𝐹:𝐴𝐵)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 208  wa 397   = wceq 1548  wcel 2121  {cab 2719  Vcvv 3433  wss 3885   class class class wbr 5075  cmpt 5156  ccnv 5620  wf 6485  1-1-ontowf1o 6488  cfv 6489  (class class class)co 7360  cen 8884  Fincfn 8887  cc 11031  1c1 11034  0cn0 12432  ...cfz 13456  Σcsu 15643
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1803  ax-4 1817  ax-5 1918  ax-6 1975  ax-7 2016  ax-8 2123  ax-9 2131  ax-10 2154  ax-11 2170  ax-12 2191  ax-ext 2713  ax-rep 5202  ax-sep 5221  ax-nul 5231  ax-pow 5297  ax-pr 5365  ax-un 7682  ax-inf2 9557  ax-cnex 11089  ax-resscn 11090  ax-1cn 11091  ax-icn 11092  ax-addcl 11093  ax-addrcl 11094  ax-mulcl 11095  ax-mulrcl 11096  ax-mulcom 11097  ax-addass 11098  ax-mulass 11099  ax-distr 11100  ax-i2m1 11101  ax-1ne0 11102  ax-1rid 11103  ax-rnegex 11104  ax-rrecex 11105  ax-cnre 11106  ax-pre-lttri 11107  ax-pre-lttrn 11108  ax-pre-ltadd 11109  ax-pre-mulgt0 11110  ax-pre-sup 11111
This theorem depends on definitions:  df-bi 209  df-an 398  df-or 855  df-3or 1094  df-3an 1095  df-tru 1551  df-fal 1561  df-ex 1788  df-nf 1792  df-sb 2075  df-mo 2545  df-eu 2575  df-clab 2720  df-cleq 2733  df-clel 2816  df-nfc 2890  df-ne 2937  df-nel 3041  df-ral 3056  df-rex 3066  df-rmo 3346  df-reu 3347  df-rab 3394  df-v 3435  df-sbc 3726  df-csb 3834  df-dif 3888  df-un 3890  df-in 3892  df-ss 3902  df-pss 3905  df-nul 4265  df-if 4458  df-pw 4534  df-sn 4559  df-pr 4561  df-op 4565  df-uni 4842  df-int 4881  df-iun 4926  df-br 5076  df-opab 5138  df-mpt 5157  df-tr 5183  df-id 5516  df-eprel 5521  df-po 5529  df-so 5530  df-fr 5574  df-se 5575  df-we 5576  df-xp 5627  df-rel 5628  df-cnv 5629  df-co 5630  df-dm 5631  df-rn 5632  df-res 5633  df-ima 5634  df-pred 6256  df-ord 6317  df-on 6318  df-lim 6319  df-suc 6320  df-iota 6445  df-fun 6491  df-fn 6492  df-f 6493  df-f1 6494  df-fo 6495  df-f1o 6496  df-fv 6497  df-isom 6498  df-riota 7317  df-ov 7363  df-oprab 7364  df-mpo 7365  df-om 7811  df-1st 7935  df-2nd 7936  df-frecs 8225  df-wrecs 8256  df-recs 8305  df-rdg 8343  df-1o 8399  df-er 8637  df-en 8888  df-dom 8889  df-sdom 8890  df-fin 8891  df-sup 9349  df-oi 9419  df-card 9858  df-pnf 11176  df-mnf 11177  df-xr 11178  df-ltxr 11179  df-le 11180  df-sub 11374  df-neg 11375  df-div 11803  df-nn 12170  df-2 12239  df-3 12240  df-n0 12433  df-z 12520  df-uz 12784  df-rp 12938  df-fz 13457  df-fzo 13604  df-seq 13959  df-exp 14019  df-hash 14288  df-cj 15056  df-re 15057  df-im 15058  df-sqrt 15192  df-abs 15193  df-clim 15445  df-sum 15644
This theorem is referenced by:  sticksstones19  42665
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