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  • 130 votes cast
Sep
11
asked Composite functions and one to one
Sep
11
comment Problem in one to one functions
How did you came up with,"The meaning of "g is one to one" is that g(x1)=g(x2)⟹x1=x2 for any x1,x2∈B?" The meaning of one to one to me is that there will be different outputs for all inputs. How is x1= x2 then?
Sep
11
accepted Calculating number of possible functions
Sep
11
asked Problem in one to one functions
Sep
11
comment Calculating number of possible functions
But these are the two relations that you made, if both of them are present in a single function then a single input x will give rise to two outputs i.e z1 and z2 which is against the definition of a function.
Sep
11
comment Calculating number of possible functions
About the example you gave to brush up my mind, if A has 1 element then I can make only one function independent of the number of elements of B. For A having 2 elements I can make 2 functions. Am I right?
Sep
11
asked Calculating number of possible functions
Sep
11
asked Where can I find exercises on functions?
Sep
4
comment Why is equivalence in logic said to work similar as a XOR gate?
Changed, thanks for the suggestion :)
Sep
4
revised Why is equivalence in logic said to work similar as a XOR gate?
added 3 characters in body
Sep
4
asked Why is equivalence in logic said to work similar as a XOR gate?
Sep
4
comment Problem in understanding p implies q
Thanks for your answer. In your answer the statement P is false, but as I read that p is not neccessary but sufficient for q then shouldn't it be true as q is true?
Sep
4
asked Problem in understanding p implies q
Aug
28
comment Problem in converting from hex to dec
Thanks alot. Cleared alot of my false concepts :)
Aug
28
accepted Problem in converting from hex to dec
Aug
28
asked Problem in converting from hex to dec
Aug
28
accepted Stuck with IEEE-754 format (binary to decimal conversion)
Aug
27
revised Stuck with IEEE-754 format (binary to decimal conversion)
added 223 characters in body
Aug
27
asked Stuck with IEEE-754 format (binary to decimal conversion)
Aug
26
comment How to find inverse of a composite function?
Thanks a lot for such an effort.