(7steps total)
PrintForm
Definitions
core
StandardLIB
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
decidable
implies
P
,
Q
:Prop. Dec(
P
)
Dec(
Q
)
Dec(
P
Q
)
By:
Unfold `decidable` 0
Generated subgoal:
1
1.
P
: Prop
2.
Q
: Prop
3.
P
P
4.
Q
Q
(
P
Q
)
(
P
Q
)
6
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(7steps total)
PrintForm
Definitions
core
StandardLIB
Doc
P,Q:Prop. Dec(P) 
Dec(Q) Dec(P Q) P,Q:Prop. Dec(P) Dec(Q) Dec(P Q)
P
Q
(P Q) (P Q)
