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Theorem psrbagconf1o 15064
Description: Bag complementation is a bijection on the set of bags dominated by a given bag 𝐹. (Contributed by Mario Carneiro, 29-Dec-2014.) Remove a sethood antecedent. (Revised by SN, 6-Aug-2024.)
Hypotheses
Ref Expression
psrbag.d 𝐷 = {𝑓 ∈ (ℕ0𝑚 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
psrbagconf1o.s 𝑆 = {𝑦𝐷𝑦𝑟𝐹}
Assertion
Ref Expression
psrbagconf1o (𝐹𝐷 → (𝑥𝑆 ↦ (𝐹𝑓𝑥)):𝑆1-1-onto𝑆)
Distinct variable groups:   𝑓,𝐹   𝑓,𝐼   𝑥,𝐷,𝑦   𝑥,𝐹,𝑦   𝑥,𝐼,𝑓   𝑥,𝑆
Allowed substitution hints:   𝐷(𝑓)   𝑆(𝑦, 𝑓)   𝐼(𝑦)

Proof of Theorem psrbagconf1o
Dummy variables 𝑛 𝑧 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 eqid 2238 . 2 (𝑥𝑆 ↦ (𝐹𝑓𝑥)) = (𝑥𝑆 ↦ (𝐹𝑓𝑥))
2 psrbag.d . . 3 𝐷 = {𝑓 ∈ (ℕ0𝑚 𝐼) ∣ (𝑓 “ ℕ) ∈ Fin}
3 psrbagconf1o.s . . 3 𝑆 = {𝑦𝐷𝑦𝑟𝐹}
42, 3psrbagconcl 15063 . 2 ((𝐹𝐷𝑥𝑆) → (𝐹𝑓𝑥) ∈ 𝑆)
52, 3psrbagconcl 15063 . 2 ((𝐹𝐷𝑧𝑆) → (𝐹𝑓𝑧) ∈ 𝑆)
62psrbagf 15054 . . . . . . . . 9 (𝐹𝐷𝐹:𝐼⟶ℕ0)
76adantr 276 . . . . . . . 8 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝐹:𝐼⟶ℕ0)
87ffvelcdmda 5843 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝐹𝑛) ∈ ℕ0)
93ssrab3 3334 . . . . . . . . . . . 12 𝑆𝐷
109sseli 3244 . . . . . . . . . . 11 (𝑧𝑆𝑧𝐷)
1110adantl 277 . . . . . . . . . 10 ((𝐹𝐷𝑧𝑆) → 𝑧𝐷)
122psrbagf 15054 . . . . . . . . . 10 (𝑧𝐷𝑧:𝐼⟶ℕ0)
1311, 12syl 14 . . . . . . . . 9 ((𝐹𝐷𝑧𝑆) → 𝑧:𝐼⟶ℕ0)
1413adantrl 482 . . . . . . . 8 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑧:𝐼⟶ℕ0)
1514ffvelcdmda 5843 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑧𝑛) ∈ ℕ0)
16 simprl 535 . . . . . . . . . 10 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑥𝑆)
179, 16sselid 3246 . . . . . . . . 9 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑥𝐷)
182psrbagf 15054 . . . . . . . . 9 (𝑥𝐷𝑥:𝐼⟶ℕ0)
1917, 18syl 14 . . . . . . . 8 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑥:𝐼⟶ℕ0)
2019ffvelcdmda 5843 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑥𝑛) ∈ ℕ0)
21 nn0cn 9573 . . . . . . . 8 ((𝐹𝑛) ∈ ℕ0 → (𝐹𝑛) ∈ ℂ)
22 nn0cn 9573 . . . . . . . 8 ((𝑧𝑛) ∈ ℕ0 → (𝑧𝑛) ∈ ℂ)
23 nn0cn 9573 . . . . . . . 8 ((𝑥𝑛) ∈ ℕ0 → (𝑥𝑛) ∈ ℂ)
24 subsub23 8531 . . . . . . . 8 (((𝐹𝑛) ∈ ℂ ∧ (𝑧𝑛) ∈ ℂ ∧ (𝑥𝑛) ∈ ℂ) → (((𝐹𝑛) − (𝑧𝑛)) = (𝑥𝑛) ↔ ((𝐹𝑛) − (𝑥𝑛)) = (𝑧𝑛)))
2521, 22, 23, 24syl3an 1320 . . . . . . 7 (((𝐹𝑛) ∈ ℕ0 ∧ (𝑧𝑛) ∈ ℕ0 ∧ (𝑥𝑛) ∈ ℕ0) → (((𝐹𝑛) − (𝑧𝑛)) = (𝑥𝑛) ↔ ((𝐹𝑛) − (𝑥𝑛)) = (𝑧𝑛)))
268, 15, 20, 25syl3anc 1278 . . . . . 6 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (((𝐹𝑛) − (𝑧𝑛)) = (𝑥𝑛) ↔ ((𝐹𝑛) − (𝑥𝑛)) = (𝑧𝑛)))
27 eqcom 2240 . . . . . 6 ((𝑥𝑛) = ((𝐹𝑛) − (𝑧𝑛)) ↔ ((𝐹𝑛) − (𝑧𝑛)) = (𝑥𝑛))
28 eqcom 2240 . . . . . 6 ((𝑧𝑛) = ((𝐹𝑛) − (𝑥𝑛)) ↔ ((𝐹𝑛) − (𝑥𝑛)) = (𝑧𝑛))
2926, 27, 283bitr4g 223 . . . . 5 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝑥𝑛) = ((𝐹𝑛) − (𝑧𝑛)) ↔ (𝑧𝑛) = ((𝐹𝑛) − (𝑥𝑛))))
306ffnd 5534 . . . . . . . 8 (𝐹𝐷𝐹 Fn 𝐼)
3130adantr 276 . . . . . . 7 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝐹 Fn 𝐼)
3213ffnd 5534 . . . . . . . 8 ((𝐹𝐷𝑧𝑆) → 𝑧 Fn 𝐼)
3332adantrl 482 . . . . . . 7 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑧 Fn 𝐼)
3419ffnd 5534 . . . . . . . 8 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝑥 Fn 𝐼)
3516, 34fndmexd 5581 . . . . . . 7 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → 𝐼 ∈ V)
36 inidm 3440 . . . . . . 7 (𝐼𝐼) = 𝐼
37 eqidd 2239 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝐹𝑛) = (𝐹𝑛))
38 eqidd 2239 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑧𝑛) = (𝑧𝑛))
398nn0zd 9766 . . . . . . . 8 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝐹𝑛) ∈ ℤ)
4015nn0zd 9766 . . . . . . . 8 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑧𝑛) ∈ ℤ)
4139, 40zsubcld 9773 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝐹𝑛) − (𝑧𝑛)) ∈ ℤ)
4231, 33, 35, 35, 36, 37, 38, 41ofvalg 6312 . . . . . 6 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝐹𝑓𝑧)‘𝑛) = ((𝐹𝑛) − (𝑧𝑛)))
4342eqeq2d 2250 . . . . 5 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝑥𝑛) = ((𝐹𝑓𝑧)‘𝑛) ↔ (𝑥𝑛) = ((𝐹𝑛) − (𝑧𝑛))))
44 eqidd 2239 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑥𝑛) = (𝑥𝑛))
4520nn0zd 9766 . . . . . . . 8 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → (𝑥𝑛) ∈ ℤ)
4639, 45zsubcld 9773 . . . . . . 7 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝐹𝑛) − (𝑥𝑛)) ∈ ℤ)
4731, 34, 35, 35, 36, 37, 44, 46ofvalg 6312 . . . . . 6 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝐹𝑓𝑥)‘𝑛) = ((𝐹𝑛) − (𝑥𝑛)))
4847eqeq2d 2250 . . . . 5 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝑧𝑛) = ((𝐹𝑓𝑥)‘𝑛) ↔ (𝑧𝑛) = ((𝐹𝑛) − (𝑥𝑛))))
4929, 43, 483bitr4d 220 . . . 4 (((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) ∧ 𝑛𝐼) → ((𝑥𝑛) = ((𝐹𝑓𝑧)‘𝑛) ↔ (𝑧𝑛) = ((𝐹𝑓𝑥)‘𝑛)))
5049ralbidva 2546 . . 3 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (∀𝑛𝐼 (𝑥𝑛) = ((𝐹𝑓𝑧)‘𝑛) ↔ ∀𝑛𝐼 (𝑧𝑛) = ((𝐹𝑓𝑥)‘𝑛)))
515adantrl 482 . . . . . . 7 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝐹𝑓𝑧) ∈ 𝑆)
529, 51sselid 3246 . . . . . 6 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝐹𝑓𝑧) ∈ 𝐷)
532psrbagf 15054 . . . . . 6 ((𝐹𝑓𝑧) ∈ 𝐷 → (𝐹𝑓𝑧):𝐼⟶ℕ0)
5452, 53syl 14 . . . . 5 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝐹𝑓𝑧):𝐼⟶ℕ0)
5554ffnd 5534 . . . 4 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝐹𝑓𝑧) Fn 𝐼)
56 eqfnfv 5806 . . . 4 ((𝑥 Fn 𝐼 ∧ (𝐹𝑓𝑧) Fn 𝐼) → (𝑥 = (𝐹𝑓𝑧) ↔ ∀𝑛𝐼 (𝑥𝑛) = ((𝐹𝑓𝑧)‘𝑛)))
5734, 55, 56syl2anc 415 . . 3 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝑥 = (𝐹𝑓𝑧) ↔ ∀𝑛𝐼 (𝑥𝑛) = ((𝐹𝑓𝑧)‘𝑛)))
589, 4sselid 3246 . . . . . . 7 ((𝐹𝐷𝑥𝑆) → (𝐹𝑓𝑥) ∈ 𝐷)
592psrbagf 15054 . . . . . . 7 ((𝐹𝑓𝑥) ∈ 𝐷 → (𝐹𝑓𝑥):𝐼⟶ℕ0)
6058, 59syl 14 . . . . . 6 ((𝐹𝐷𝑥𝑆) → (𝐹𝑓𝑥):𝐼⟶ℕ0)
6160ffnd 5534 . . . . 5 ((𝐹𝐷𝑥𝑆) → (𝐹𝑓𝑥) Fn 𝐼)
6261adantrr 483 . . . 4 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝐹𝑓𝑥) Fn 𝐼)
63 eqfnfv 5806 . . . 4 ((𝑧 Fn 𝐼 ∧ (𝐹𝑓𝑥) Fn 𝐼) → (𝑧 = (𝐹𝑓𝑥) ↔ ∀𝑛𝐼 (𝑧𝑛) = ((𝐹𝑓𝑥)‘𝑛)))
6433, 62, 63syl2anc 415 . . 3 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝑧 = (𝐹𝑓𝑥) ↔ ∀𝑛𝐼 (𝑧𝑛) = ((𝐹𝑓𝑥)‘𝑛)))
6550, 57, 643bitr4d 220 . 2 ((𝐹𝐷 ∧ (𝑥𝑆𝑧𝑆)) → (𝑥 = (𝐹𝑓𝑧) ↔ 𝑧 = (𝐹𝑓𝑥)))
661, 4, 5, 65f1o2d 6295 1 (𝐹𝐷 → (𝑥𝑆 ↦ (𝐹𝑓𝑥)):𝑆1-1-onto𝑆)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wa 104  wb 105   = wceq 1402  wcel 2209  wral 2528  {crab 2532  Vcvv 2821   class class class wbr 4130  cmpt 4192  ccnv 4773  cima 4777   Fn wfn 5372  wf 5373  1-1-ontowf1o 5376  cfv 5377  (class class class)co 6085  𝑓 cof 6300  𝑟 cofr 6301  𝑚 cmap 6922  Fincfn 7022  cc 8177  cle 8361  cmin 8497  cn 9304  0cn0 9563  cz 9644
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 623  ax-in2 624  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-coll 4246  ax-sep 4249  ax-nul 4259  ax-pow 4311  ax-pr 4346  ax-un 4578  ax-setind 4684  ax-iinf 4735  ax-cnex 8270  ax-resscn 8271  ax-1cn 8272  ax-1re 8273  ax-icn 8274  ax-addcl 8275  ax-addrcl 8276  ax-mulcl 8277  ax-addcom 8279  ax-addass 8281  ax-distr 8283  ax-i2m1 8284  ax-0lt1 8285  ax-0id 8287  ax-rnegex 8288  ax-cnre 8290  ax-pre-ltirr 8291  ax-pre-ltwlin 8292  ax-pre-lttrn 8293  ax-pre-ltadd 8295
This proof depends on definitions:  df-bi 117  df-dc 847  df-3or 1010  df-3an 1011  df-tru 1405  df-fal 1408  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ne 2421  df-nel 2516  df-ral 2533  df-rex 2534  df-reu 2535  df-rab 2537  df-v 2823  df-sbc 3052  df-csb 3148  df-dif 3222  df-un 3224  df-in 3226  df-ss 3233  df-nul 3521  df-if 3639  df-pw 3690  df-sn 3715  df-pr 3716  df-op 3718  df-uni 3936  df-int 3971  df-iun 4014  df-br 4131  df-opab 4193  df-mpt 4194  df-tr 4230  df-id 4438  df-iord 4511  df-on 4513  df-suc 4516  df-iom 4738  df-xp 4780  df-rel 4781  df-cnv 4782  df-co 4783  df-dm 4784  df-rn 4785  df-res 4786  df-ima 4787  df-iota 5337  df-fun 5379  df-fn 5380  df-f 5381  df-f1 5382  df-fo 5383  df-f1o 5384  df-fv 5385  df-riota 6038  df-ov 6088  df-oprab 6089  df-mpo 6090  df-of 6302  df-ofr 6303  df-1o 6687  df-er 6807  df-map 6924  df-en 7023  df-fin 7025  df-pnf 8362  df-mnf 8363  df-xr 8364  df-ltxr 8365  df-le 8366  df-sub 8499  df-neg 8500  df-inn 9305  df-n0 9564  df-z 9645  df-uz 9922
This theorem is used by: (None)
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