Step
*
1
1
1
1
1
1
of Lemma
ni-selector-property
1. p : āā ā¶ š¹
2. āx:āā. p x = ff
3. p ni-selector(p) = tt
4. i : ā
5. ¬ā(p iā)
6. āi:āi. (ā(p iā))
7. i@0 : ā
⢠i@0 <z i = ¬b(āi<i@0 + 1.¬b(p iā))_b
BY
{ ((BLemma `iff_imp_equal_bool` THENA Auto)
THEN (RW assert_pushdownC 0 THENA Auto)
THEN (RWO "assert-b-exists" 0 THENA Auto)
THEN (RW assert_pushdownC 0 THENA Auto)) }
1
1. p : āā ā¶ š¹
2. āx:āā. p x = ff
3. p ni-selector(p) = tt
4. i : ā
5. ¬ā(p iā)
6. āi:āi. (ā(p iā))
7. i@0 : ā
⢠i@0 < i
āā ¬(āi:āi@0 + 1. (¬ā(p iā)))
Latex:
Latex:
1. p : \mBbbN{}\minfty{} {}\mrightarrow{} \mBbbB{}
2. \mexists{}x:\mBbbN{}\minfty{}. p x = ff
3. p ni-selector(p) = tt
4. i : \mBbbN{}
5. \mneg{}\muparrow{}(p i\minfty{})
6. \mforall{}i:\mBbbN{}i. (\muparrow{}(p i\minfty{}))
7. i@0 : \mBbbN{}
\mvdash{} i@0 <z i = \mneg{}\msubb{}(\mexists{}i<i@0 + 1.\mneg{}\msubb{}(p i\minfty{}))\_b
By
Latex:
((BLemma `iff\_imp\_equal\_bool` THENA Auto)
THEN (RW assert\_pushdownC 0 THENA Auto)
THEN (RWO "assert-b-exists" 0 THENA Auto)
THEN (RW assert\_pushdownC 0 THENA Auto))
Home
Index