Metamath Proof Explorer


Definition df-mfrel

Description: Define the set of freshness relations. (Contributed by Mario Carneiro, 14-Jul-2016)

Ref Expression
Assertion df-mfrel mFRel = ( 𝑡 ∈ V ↦ { 𝑟 ∈ 𝒫 ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) ) ∣ ( ◡ 𝑟 = 𝑟 ∧ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } ) ) } )

Detailed syntax breakdown

Step Hyp Ref Expression
0 cmfr ⊢ mFRel
1 vt ⊢ 𝑡
2 cvv ⊢ V
3 vr ⊢ 𝑟
4 cmuv ⊢ mUV
5 1 cv ⊢ 𝑡
6 5 4 cfv ⊢ ( mUV ‘ 𝑡 )
7 6 6 cxp ⊢ ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) )
8 7 cpw ⊢ 𝒫 ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) )
9 3 cv ⊢ 𝑟
10 9 ccnv ⊢ ◡ 𝑟
11 10 9 wceq ⊢ ◡ 𝑟 = 𝑟
12 vc ⊢ 𝑐
13 cmvt ⊢ mVT
14 5 13 cfv ⊢ ( mVT ‘ 𝑡 )
15 vw ⊢ 𝑤
16 6 cpw ⊢ 𝒫 ( mUV ‘ 𝑡 )
17 cfn ⊢ Fin
18 16 17 cin ⊢ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin )
19 vv ⊢ 𝑣
20 12 cv ⊢ 𝑐
21 20 csn ⊢ { 𝑐 }
22 6 21 cima ⊢ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } )
23 15 cv ⊢ 𝑤
24 19 cv ⊢ 𝑣
25 24 csn ⊢ { 𝑣 }
26 9 25 cima ⊢ ( 𝑟 “ { 𝑣 } )
27 23 26 wss ⊢ 𝑤 ⊆ ( 𝑟 “ { 𝑣 } )
28 27 19 22 wrex ⊢ ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } )
29 28 15 18 wral ⊢ ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } )
30 29 12 14 wral ⊢ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } )
31 11 30 wa ⊢ ( ◡ 𝑟 = 𝑟 ∧ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } ) )
32 31 3 8 crab ⊢ { 𝑟 ∈ 𝒫 ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) ) ∣ ( ◡ 𝑟 = 𝑟 ∧ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } ) ) }
33 1 2 32 cmpt ⊢ ( 𝑡 ∈ V ↦ { 𝑟 ∈ 𝒫 ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) ) ∣ ( ◡ 𝑟 = 𝑟 ∧ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } ) ) } )
34 0 33 wceq ⊢ mFRel = ( 𝑡 ∈ V ↦ { 𝑟 ∈ 𝒫 ( ( mUV ‘ 𝑡 ) × ( mUV ‘ 𝑡 ) ) ∣ ( ◡ 𝑟 = 𝑟 ∧ ∀ 𝑐 ∈ ( mVT ‘ 𝑡 ) ∀ 𝑤 ∈ ( 𝒫 ( mUV ‘ 𝑡 ) ∩ Fin ) ∃ 𝑣 ∈ ( ( mUV ‘ 𝑡 ) “ { 𝑐 } ) 𝑤 ⊆ ( 𝑟 “ { 𝑣 } ) ) } )