Explanation of list reference
Marko Rauhamaa
marko at pacujo.net
Sat Feb 15 11:13:54 CET 2014
Marko Rauhamaa <marko at pacujo.net>:
> 1. if x is y then y ix x
> 2. if x is y and y is z then x is z
> 3. after x = y, x is y
> 4. if x is y, then x == y
A new attempt:
0. x is x
1. if x is y then y ix x
2. if x is y and y is z then x is z
3. after x = y, x is y
4. if x is y and x == x, then x == y
5. id(x) == id(y) iff x is y
Does that cover it?
Marko
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