Step
*
of Lemma
fpf-join-dom2
∀[A:Type]. ∀eq:EqDecider(A). ∀f,g:a:A fp-> Top. ∀x:A. (↑x ∈ dom(f ⊕ g)
⇐⇒ (↑x ∈ dom(f)) ∨ (↑x ∈ dom(g)))
BY
{ xxx((((UnivCD THENA Auto) THEN (InstLemma `fpf-join-dom` [⌜A⌝; ⌜λ2a.Top⌝; ⌜eq⌝; ⌜f⌝; ⌜g⌝; ⌜x⌝])⋅) THENA Auto)
THEN Try (Trivial)
)xxx }
Latex:
Latex:
\mforall{}[A:Type]
\mforall{}eq:EqDecider(A). \mforall{}f,g:a:A fp-> Top. \mforall{}x:A. (\muparrow{}x \mmember{} dom(f \moplus{} g) \mLeftarrow{}{}\mRightarrow{} (\muparrow{}x \mmember{} dom(f)) \mvee{} (\muparrow{}x \mmember{} dom(g)))
By
Latex:
xxx((((UnivCD THENA Auto) THEN (InstLemma `fpf-join-dom` [\mkleeneopen{}A\mkleeneclose{}; \mkleeneopen{}\mlambda{}\msubtwo{}a.Top\mkleeneclose{}; \mkleeneopen{}eq\mkleeneclose{}; \mkleeneopen{}f\mkleeneclose{}; \mkleeneopen{}g\mkleeneclose{}; \mkleeneopen{}x\mkleeneclose{}])\mcdot{})
THENA Auto
)
THEN Try (Trivial)
)xxx
Home
Index