(4steps total)
PrintForm
Definitions
Lemmas
SimpleMulFacts
Sections
DiscrMathExt
Doc
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
At:
prod
zero
iff
factor
zero
a
,
b
:
.
a
b
= 0
a
= 0
b
= 0
By:
UnivCD
Generated subgoal:
1
1.
a
:
2.
b
:
a
b
= 0
a
= 0
b
= 0
3
steps
About:
IF YOU CAN SEE THIS go to /sfa/Nuprl/Shared/Xindentation_hack_doc.html
(4steps total)
PrintForm
Definitions
Lemmas
SimpleMulFacts
Sections
DiscrMathExt
Doc
a,b:
. a
b = 0 
a = 0 
b = 0 a,b:. ab = 0 a = 0 b = 0
ab = 0 a = 0 b = 0
