Theorem prv 35415

Description: The "proves" relation on a set. A wff encoded as 𝑈 is true in a model 𝑀 iff for every valuation 𝑠 ∈ (𝑀 ↑_m ω), the interpretation of the wff using the membership relation on 𝑀 is true. (Contributed by AV, 5-Nov-2023.)

Assertion

Ref	Expression
prv	⊢ ((𝑀 ∈ 𝑉 ∧ 𝑈 ∈ 𝑊) → (𝑀⊧𝑈 ↔ (𝑀 Sat∈ 𝑈) = (𝑀 ↑m ω)))

Proof of Theorem prv

Dummy variables 𝑚 𝑢 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		oveq12 7396	. . 3 ⊢ ((𝑚 = 𝑀 ∧ 𝑢 = 𝑈) → (𝑚 Sat∈ 𝑢) = (𝑀 Sat∈ 𝑈))
2		simpl 482	. . . 4 ⊢ ((𝑚 = 𝑀 ∧ 𝑢 = 𝑈) → 𝑚 = 𝑀)
3	2	oveq1d 7402	. . 3 ⊢ ((𝑚 = 𝑀 ∧ 𝑢 = 𝑈) → (𝑚 ↑m ω) = (𝑀 ↑m ω))
4	1, 3	eqeq12d 2745	. 2 ⊢ ((𝑚 = 𝑀 ∧ 𝑢 = 𝑈) → ((𝑚 Sat∈ 𝑢) = (𝑚 ↑m ω) ↔ (𝑀 Sat∈ 𝑈) = (𝑀 ↑m ω)))
5		df-prv 35333	. 2 ⊢ ⊧ = {⟨𝑚, 𝑢⟩ ∣ (𝑚 Sat∈ 𝑢) = (𝑚 ↑m ω)}
6	4, 5	brabga 5494	1 ⊢ ((𝑀 ∈ 𝑉 ∧ 𝑈 ∈ 𝑊) → (𝑀⊧𝑈 ↔ (𝑀 Sat∈ 𝑈) = (𝑀 ↑m ω)))

Syntax hints:   → wi 4   ↔ wb 206   ∧ wa 395   = wceq 1540   ∈ wcel 2109   class class class wbr 5107  (class class class)co 7387  ωcom 7842   ↑_m cmap 8799   Sat_∈ csate 35325  ⊧cprv 35326

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-ext 2701  ax-sep 5251  ax-nul 5261  ax-pr 5387

This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-sb 2066  df-clab 2708  df-cleq 2721  df-clel 2803  df-rab 3406  df-v 3449  df-dif 3917  df-un 3919  df-ss 3931  df-nul 4297  df-if 4489  df-sn 4590  df-pr 4592  df-op 4596  df-uni 4872  df-br 5108  df-opab 5170  df-iota 6464  df-fv 6519  df-ov 7390  df-prv 35333

This theorem is referenced by:  elnanelprv  35416  prv0  35417  prv1n  35418