Step
*
1
1
1
of Lemma
ratio-functional-equation
.....assertion.....
1. [T] : Type
2. t : T
3. F : T ⟶ T ⟶ ℝ
4. ∀x,y,z:T. (((F x y) * (F y z)) = (F x z))
5. (F t t) = r1
⊢ ∀x:T. F x t ≠ r0
BY
{ (D 0 THENA Auto) }
1
1. [T] : Type
2. t : T
3. F : T ⟶ T ⟶ ℝ
4. ∀x,y,z:T. (((F x y) * (F y z)) = (F x z))
5. (F t t) = r1
6. x : T
⊢ F x t ≠ r0
Latex:
Latex:
.....assertion.....
1. [T] : Type
2. t : T
3. F : T {}\mrightarrow{} T {}\mrightarrow{} \mBbbR{}
4. \mforall{}x,y,z:T. (((F x y) * (F y z)) = (F x z))
5. (F t t) = r1
\mvdash{} \mforall{}x:T. F x t \mneq{} r0
By
Latex:
(D 0 THENA Auto)
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