Theorem caovcld 7615

Description: Convert an operation closure law to class notation. (Contributed by Mario Carneiro, 30-Dec-2014.)

Hypotheses

Ref	Expression
caovclg.1	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐶 ∧ 𝑦 ∈ 𝐷)) → (𝑥𝐹𝑦) ∈ 𝐸)
caovcld.2	⊢ (𝜑 → 𝐴 ∈ 𝐶)
caovcld.3	⊢ (𝜑 → 𝐵 ∈ 𝐷)

Assertion

Ref	Expression
caovcld	⊢ (𝜑 → (𝐴𝐹𝐵) ∈ 𝐸)

Distinct variable groups:   𝑥,𝑦,𝐴   𝑦,𝐵   𝑥,𝐶,𝑦   𝑥,𝐷,𝑦   𝑥,𝐸,𝑦   𝜑,𝑥,𝑦   𝑥,𝐹,𝑦

Allowed substitution hint:   𝐵(𝑥)

Proof of Theorem caovcld

Step	Hyp	Ref	Expression
1		id 23	. 2 ⊢ (𝜑 → 𝜑)
2		caovcld.2	. 2 ⊢ (𝜑 → 𝐴 ∈ 𝐶)
3		caovcld.3	. 2 ⊢ (𝜑 → 𝐵 ∈ 𝐷)
4		caovclg.1	. . 3 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐶 ∧ 𝑦 ∈ 𝐷)) → (𝑥𝐹𝑦) ∈ 𝐸)
5	4	caovclg 7614	. 2 ⊢ ((𝜑 ∧ (𝐴 ∈ 𝐶 ∧ 𝐵 ∈ 𝐷)) → (𝐴𝐹𝐵) ∈ 𝐸)
6	1, 2, 3, 5	syl12anc 850	1 ⊢ (𝜑 → (𝐴𝐹𝐵) ∈ 𝐸)

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2144  (class class class)co 7421

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732

This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-ral 3077  df-rab 3413  df-v 3452  df-ss 3896  df-dif 4047  df-un 4151  df-nul 4279  df-if 4482  df-sn 4585  df-pr 4587  df-op 4835  df-uni 4867  df-br 5103  df-iota 6494  df-fv 6547  df-ov 7424

This theorem is used by:  caovdir2d  7638  caov4d  7646  climcn2  15766  grpinva  18861  plydivlem1  26620  plydivlem4  26623