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Question: I need some information about `if`

Question:I need some information about `if`

svenz 13 Maple
example graph format
February 27 2008
1
Hi, I can't find any information what does FI mean, for example: f := proc(x) if x>0 then x else -x fi; end proc: f(-3); or: if iseuler(G) then continue else RETURN (print ("The graph does not have an Euler circuit")) fi; I'm tired of googling already, Maple Help doesn't have any information about fi, what might it be? perhaps some closing declaration instead of 'end if'? I would be grateful for any comments, thanks in advance, Sven
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