Γ
A ∪ {¬Γ }
¬Γ
Th
f(x, y) = y(1 −
.
Ded(x, y)) + 1024 Ded(x, y).
1024 E00 0 = 0
Th Th
Th
T(x)
a A ` T(a) A ` ¬T(a)
D(y, z)
Sub(y, γ(y), 2) y = v z = x
x T n
A(x) = ∀x(D(v, x) ⇒ ¬T(x)) m A(n) =
∀x(D(n, x) ⇒ ¬T(x)) Sub(n, γ(n), 2) = m A `
D(n, m) ∧ (D(n, x) ⇒ x = m) A(n)
A ` ¬T(m) A(n) A ` A(n)
A ` D(n, m) ⇒ ¬T(m) A ` ¬T(m) A ` ¬T(m)
A(n) A ` D(n, x) ⇒ x = m A `
D(n, x) ⇒ ¬T(x) A ` ∀x(D(n, x) ⇒ ¬T(x)) A(n)
Th
Ver