Is there an algorithm for comparing if statements?
Is there an algorithm and / or tool to detect if two sets of operators if
with the same conditions are equivalent? When I say equivalent, I mean that they execute the same code for all data. For example:
# set 1
if a
if b
someMethod()
end
end
# set 2
if a && b
someMethod()
end
# set 3
if a  b
someMethod()
end
Given these three sets of operators if
, you can consider set 1 and set 2 to be the equivalent in that it someMethod
only holds when a and b are true. Likewise, set 1 and set 3 are not equivalent, since it someMethod
will not execute over set 1 if a is true and b is false, but will run on set 3 under the same conditions.
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I would use Karnaugh Maps , which is a standard for sequential logical synthesis and analysis.

create a Karnaugh map for each set of
if
s 
compare cards
if the mapping is the same, then the if statements are equivalent, if not, then they are different.
Sorry for the short answer, but I don't know what to add because this is basic knowledge.
[edit1] just your case ...

set1 == set2

set3
is different
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