Metamath Proof Explorer


Theorem vhmcls

Description: All variable hypotheses are in the closure. (Contributed by Mario Carneiro, 18-Jul-2016)

Ref Expression
Hypotheses mclsval.d ⊢ D = mDV ⁡ T
mclsval.e ⊢ E = mEx ⁡ T
mclsval.c ⊢ C = mCls ⁡ T
mclsval.1 ⊢ φ → T ∈ mFS
mclsval.2 ⊢ φ → K ⊆ D
mclsval.3 ⊢ φ → B ⊆ E
ssmclslem.h ⊢ H = mVH ⁡ T
vhmcls.v ⊢ V = mVR ⁡ T
vhmcls.3 ⊢ φ → X ∈ V
Assertion vhmcls ⊢ φ → H ⁡ X ∈ K C B

Proof

Step Hyp Ref Expression
1 mclsval.d ⊢ D = mDV ⁡ T
2 mclsval.e ⊢ E = mEx ⁡ T
3 mclsval.c ⊢ C = mCls ⁡ T
4 mclsval.1 ⊢ φ → T ∈ mFS
5 mclsval.2 ⊢ φ → K ⊆ D
6 mclsval.3 ⊢ φ → B ⊆ E
7 ssmclslem.h ⊢ H = mVH ⁡ T
8 vhmcls.v ⊢ V = mVR ⁡ T
9 vhmcls.3 ⊢ φ → X ∈ V
10 1 2 3 4 5 6 7 ssmclslem ⊢ φ → B ∪ ran ⁡ H ⊆ K C B
11 10 unssbd ⊢ φ → ran ⁡ H ⊆ K C B
12 8 2 7 mvhf ⊢ T ∈ mFS → H : V ⟶ E
13 ffn ⊢ H : V ⟶ E → H Fn V
14 4 12 13 3syl ⊢ φ → H Fn V
15 fnfvelrn ⊢ H Fn V ∧ X ∈ V → H ⁡ X ∈ ran ⁡ H
16 14 9 15 syl2anc ⊢ φ → H ⁡ X ∈ ran ⁡ H
17 11 16 sseldd ⊢ φ → H ⁡ X ∈ K C B