Quotes6075 of 42574 |
||
|
A diagram, indeed, so far as it has a general signification, is not a pure icon; but in the middle part of our reasonings we forget that abstractness in great measure, and the diagram is for us the very thing.
Charles Sanders Peirce (1885) "On The Algebra of Logic : A Contribution to the Philosophy of Notation" in The American Journal of Mathematics 7, p.180-202 | ||
