Theorem bj-vtocl 37646

Description: Remove dependency on ax-ext 2734, df-clab 2741 and df-cleq 2754 (and df-sb 2100 and df-v 3455) from vtocl 3523. (Contributed by BJ, 6-Oct-2019.) (Proof modification is discouraged.)

Hypotheses

Ref	Expression
bj-vtocl.s	⊢ 𝐴 ∈ 𝑉
bj-vtocl.maj	⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓))
bj-vtocl.min	⊢ 𝜑

Assertion

Ref	Expression
bj-vtocl	⊢ 𝜓

Distinct variable groups:   𝑥,𝐴   𝜓,𝑥   𝑥,𝑉

Allowed substitution hint:   𝜑(𝑥)

Proof of Theorem bj-vtocl

Step	Hyp	Ref	Expression
1		nfv 1947	. 2 ⊢ Ⅎ𝑥𝜓
2		bj-vtocl.s	. 2 ⊢ 𝐴 ∈ 𝑉
3		bj-vtocl.maj	. 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓))
4		bj-vtocl.min	. 2 ⊢ 𝜑
5	1, 2, 3, 4	bj-vtoclf 37645	1 ⊢ 𝜓

This proof depends on syntax axioms:   → wi 4   ↔ wb 209   = wceq 1570   ∈ wcel 2145

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-12 2215

This proof depends on definitions:  df-bi 210  df-an 402  df-ex 1813  df-nf 1817  df-clel 2837

This theorem is used by: (None)