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Theorem bj-findisg 16085
Description: Version of bj-findis 16084 using a class term in the consequent. Constructive proof (from CZF). See the comment of bj-findis 16084 for explanations. (Contributed by BJ, 21-Nov-2019.) (Proof modification is discouraged.)
Hypotheses
Ref Expression
bj-findis.nf0 𝑥𝜓
bj-findis.nf1 𝑥𝜒
bj-findis.nfsuc 𝑥𝜃
bj-findis.0 (𝑥 = ∅ → (𝜓𝜑))
bj-findis.1 (𝑥 = 𝑦 → (𝜑𝜒))
bj-findis.suc (𝑥 = suc 𝑦 → (𝜃𝜑))
bj-findisg.nfa 𝑥𝐴
bj-findisg.nfterm 𝑥𝜏
bj-findisg.term (𝑥 = 𝐴 → (𝜑𝜏))
Assertion
Ref Expression
bj-findisg ((𝜓 ∧ ∀𝑦 ∈ ω (𝜒𝜃)) → (𝐴 ∈ ω → 𝜏))
Distinct variable groups:   𝑥,𝑦   𝜑,𝑦
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥,𝑦)   𝜒(𝑥,𝑦)   𝜃(𝑥,𝑦)   𝜏(𝑥,𝑦)   𝐴(𝑥,𝑦)

Proof of Theorem bj-findisg
StepHypRef Expression
1 bj-findis.nf0 . . 3 𝑥𝜓
2 bj-findis.nf1 . . 3 𝑥𝜒
3 bj-findis.nfsuc . . 3 𝑥𝜃
4 bj-findis.0 . . 3 (𝑥 = ∅ → (𝜓𝜑))
5 bj-findis.1 . . 3 (𝑥 = 𝑦 → (𝜑𝜒))
6 bj-findis.suc . . 3 (𝑥 = suc 𝑦 → (𝜃𝜑))
71, 2, 3, 4, 5, 6bj-findis 16084 . 2 ((𝜓 ∧ ∀𝑦 ∈ ω (𝜒𝜃)) → ∀𝑥 ∈ ω 𝜑)
8 bj-findisg.nfa . . 3 𝑥𝐴
9 nfcv 2349 . . 3 𝑥ω
10 bj-findisg.nfterm . . 3 𝑥𝜏
11 bj-findisg.term . . 3 (𝑥 = 𝐴 → (𝜑𝜏))
128, 9, 10, 11bj-rspg 15893 . 2 (∀𝑥 ∈ ω 𝜑 → (𝐴 ∈ ω → 𝜏))
137, 12syl 14 1 ((𝜓 ∧ ∀𝑦 ∈ ω (𝜒𝜃)) → (𝐴 ∈ ω → 𝜏))
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104   = wceq 1373  wnf 1484  wcel 2177  wnfc 2336  wral 2485  c0 3464  suc csuc 4425  ωcom 4651
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-in1 615  ax-in2 616  ax-io 711  ax-5 1471  ax-7 1472  ax-gen 1473  ax-ie1 1517  ax-ie2 1518  ax-8 1528  ax-10 1529  ax-11 1530  ax-i12 1531  ax-bndl 1533  ax-4 1534  ax-17 1550  ax-i9 1554  ax-ial 1558  ax-i5r 1559  ax-13 2179  ax-14 2180  ax-ext 2188  ax-nul 4181  ax-pr 4264  ax-un 4493  ax-setind 4598  ax-bd0 15918  ax-bdim 15919  ax-bdan 15920  ax-bdor 15921  ax-bdn 15922  ax-bdal 15923  ax-bdex 15924  ax-bdeq 15925  ax-bdel 15926  ax-bdsb 15927  ax-bdsep 15989  ax-infvn 16046
This theorem depends on definitions:  df-bi 117  df-tru 1376  df-fal 1379  df-nf 1485  df-sb 1787  df-clab 2193  df-cleq 2199  df-clel 2202  df-nfc 2338  df-ral 2490  df-rex 2491  df-rab 2494  df-v 2775  df-dif 3172  df-un 3174  df-in 3176  df-ss 3183  df-nul 3465  df-sn 3644  df-pr 3645  df-uni 3860  df-int 3895  df-suc 4431  df-iom 4652  df-bdc 15946  df-bj-ind 16032
This theorem is referenced by: (None)
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