Theorem petincnvepres 39580

Description: The shortest form of a partition-equivalence theorem with intersection and general 𝑅. Cf. br1cossincnvepres 39157. Cf. pet 39582. (Contributed by Peter Mazsa, 23-Sep-2021.)

Assertion

Ref	Expression
petincnvepres	⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴)

Proof of Theorem petincnvepres

Step	Hyp	Ref	Expression
1		petincnvepres2 39579	. 2 ⊢ (( Disj (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom (𝑅 ∩ (◡ E ↾ 𝐴)) / (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴) ↔ ( EqvRel ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) / ≀ (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴))
2		dfpart2 39489	. 2 ⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ( Disj (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom (𝑅 ∩ (◡ E ↾ 𝐴)) / (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴))
3		dferALTV2 39370	. 2 ⊢ ( ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴 ↔ ( EqvRel ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ∧ (dom ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) / ≀ (𝑅 ∩ (◡ E ↾ 𝐴))) = 𝐴))
4	1, 2, 3	3bitr4i 306	1 ⊢ ((𝑅 ∩ (◡ E ↾ 𝐴)) Part 𝐴 ↔ ≀ (𝑅 ∩ (◡ E ↾ 𝐴)) ErALTV 𝐴)

Syntax hints:   ↔ wb 209   ∧ wa 400   = wceq 1568   ∩ cin 3903   E cep 5560  ^◡ccnv 5660  dom cdm 5661   ↾ cres 5663   / cqs 8692   ≀ ccoss 38800   EqvRel weqvrel 38817   ErALTV werALTV 38826   Disj wdisjALTV 38836   Part wpart 38841

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1823  ax-4 1837  ax-5 1938  ax-6 1995  ax-7 2036  ax-8 2143  ax-9 2151  ax-10 2174  ax-11 2190  ax-12 2211  ax-ext 2733  ax-sep 5256  ax-pr 5404

This theorem depends on definitions:  df-bi 210  df-an 401  df-or 861  df-3an 1103  df-tru 1571  df-fal 1581  df-ex 1808  df-nf 1812  df-sb 2095  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-ral 3078  df-rex 3088  df-rmo 3367  df-rab 3415  df-v 3455  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4487  df-sn 4589  df-pr 4591  df-op 4595  df-br 5109  df-opab 5173  df-id 5556  df-eprel 5561  df-xp 5667  df-rel 5668  df-cnv 5669  df-co 5670  df-dm 5671  df-rn 5672  df-res 5673  df-ima 5674  df-ec 8695  df-qs 8699  df-coss 39118  df-refrel 39209  df-cnvrefrel 39224  df-symrel 39241  df-trrel 39275  df-eqvrel 39286  df-dmqs 39340  df-erALTV 39366  df-funALTV 39384  df-disjALTV 39407  df-eldisj 39409  df-part 39486

This theorem is referenced by: (None)