[Xmca-l] Re: units of mathematics education

[Andy Blunden]

Could you elaborate on what is meant by this passage, Peg? I am not
familiar with this use of * in mathematics, and I am not sure how the >
and < relations are being evaluated here. Andy
------------------------------------------------------------------------
*Andy Blunden*
http://home.pacific.net.au/~andy/


Peg Griffin wrote:
> ...  That mathematical model (*A>B=A<B) DOES NOT have a
> concrete world to rise to! Instead, the children see/feel/perceive the
> strings and symbols having a relation among relations: A>B = B<A.  
>