# Siegel’s axiom

In a mathematical text two mathematical symbols that do not form a larger of have to be by at least one word or by a punctuation mark.
Example: Do not write “… take $n$ $n\times n$-matrices”, but rather “take $n$ matrices of order $n\times n$”.

Title Siegel’s axiom SiegelsAxiom 2013-03-22 14:11:59 2013-03-22 14:11:59 mathwizard (128) mathwizard (128) 8 mathwizard (128) Axiom msc 00A99