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Formal logic.txt
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Synonyms of some
Some
Many
At least some
At least one
A few
A number
Several
Part of
A portion
Diagram some W's are not Z's
W<------->notZ
With S above
Diagram
Not all T's are V's
T<------->notV
With S above
Define some
At least one, possibly all
Define most
A majority, possibly all
Diagram
Most W's are not Z's
W------->notZ
With M
Synonyms of most
Most
A majority
More than half
Almost all
Usually
Typically
Is there a contrapositive for some and most statements?
No, because they do not necessarily encompass an entire group, only the arrows like ALL have contrapositive.
Diagram
No X are Y
X------>notY
X<--/-->Y
What do you look for when making inferences in formal logic?
The weakest link and relevant negativity
Does two double not arrows in a row produce an inference?
No
What do some and most need to make an inference?
Arrows that encompass all or none
What is the one case when two most produce an inference and what is it?
A<----m---- B ----m---->C
Some A's are C's
Author
spedrasr05
ID
21021
Card Set
Formal logic.txt
Description
FL
Updated
2010-05-28T10:03:50Z
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