Step
*
1
of Lemma
CCC-product
1. A : Type
2. B : Type
3. CCC(B)
4. R : ℕ ⟶ (A × B) ⟶ ℙ
5. ∀g:ℕ ⟶ (A × B). ∃n:ℕ. (R n (g n))
6. g : ℕ ⟶ A
⊢ ∃n:ℕ. ∀b:B. (R n <g n, b>)
BY
{ ((D 3 With ⌜λn,b. (R n <g n, b>)⌝ THENA Auto) THEN Reduce -1 THEN D -1 THEN Auto THEN RenameVar `h' (-1)) }
1
1. A : Type
2. B : Type
3. R : ℕ ⟶ (A × B) ⟶ ℙ
4. ∀g:ℕ ⟶ (A × B). ∃n:ℕ. (R n (g n))
5. g : ℕ ⟶ A
6. h : ℕ ⟶ B
⊢ ∃n:ℕ. (R n <g n, h n>)
Latex:
Latex:
1. A : Type
2. B : Type
3. CCC(B)
4. R : \mBbbN{} {}\mrightarrow{} (A \mtimes{} B) {}\mrightarrow{} \mBbbP{}
5. \mforall{}g:\mBbbN{} {}\mrightarrow{} (A \mtimes{} B). \mexists{}n:\mBbbN{}. (R n (g n))
6. g : \mBbbN{} {}\mrightarrow{} A
\mvdash{} \mexists{}n:\mBbbN{}. \mforall{}b:B. (R n <g n, b>)
By
Latex:
((D 3 With \mkleeneopen{}\mlambda{}n,b. (R n <g n, b>)\mkleeneclose{} THENA Auto) THEN Reduce -1 THEN D -1 THEN Auto THEN RenameVar `h'\000C (-1))
Home
Index