Step
*
1
1
of Lemma
int_lower_ind
1. i : ℤ@i
2. [E] : {...i} ⟶ ℙ{u}
3. E[i]@u
4. ∀k:{...i - 1}. (E[k + 1]
⇒ E[k])@[u | i]
⊢ ∀j:{...i}. ((∀k:{...i}. ((k > j)
⇒ E[k]))
⇒ E[j])
BY
{ (UnivCD THENA Auto) }
1
1. i : ℤ@i
2. [E] : {...i} ⟶ ℙ{u}
3. E[i]@u
4. ∀k:{...i - 1}. (E[k + 1]
⇒ E[k])@[u | i]
5. j : {...i}@i
6. ∀k:{...i}. ((k > j)
⇒ E[k])@[u | i]
⊢ E[j]
Latex:
Latex:
1. i : \mBbbZ{}@i
2. [E] : \{...i\} {}\mrightarrow{} \mBbbP{}\{u\}
3. E[i]@u
4. \mforall{}k:\{...i - 1\}. (E[k + 1] {}\mRightarrow{} E[k])@[u | i]
\mvdash{} \mforall{}j:\{...i\}. ((\mforall{}k:\{...i\}. ((k > j) {}\mRightarrow{} E[k])) {}\mRightarrow{} E[j])
By
Latex:
(UnivCD THENA Auto)
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