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/ We now come to the decisive step of
| mathematical abstraction: we forget
| about what the symbols stand for.
| ...[The mathematician] need not be
| idle; there are many operations which
| he may carry out with these symbols,
| without ever having to look at the
| things they stand for. -- Hermann Weyl,
\ The Mathematical Way of Thinking
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\
\
.--.
|o_o |
|:_/ |
// \ \
(| | )
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