dalcde Messages 164 Reaction score 0 Thread starter Jul 6, 2011 #1 Is an unknown considered to be a variable? If so, is it a free or bound variable or neither?
JJacquelin Messages 801 Reaction score 35 Jul 6, 2011 #2 It seems logical to say that an unknown can be anything (or nothing), up to it is proved to exist and becomes known (or it is proved to not exist).
It seems logical to say that an unknown can be anything (or nothing), up to it is proved to exist and becomes known (or it is proved to not exist).
SteamKing Staff Emeritus Science Advisor Homework Helper Messages 12,828 Reaction score 1,673 Jul 6, 2011 #3 It's safe to say an unknown is a variable unless it's a constant.