Compare two revisions of: Expressions And Relations

... ... @@ -48,7 +48,7 @@ More generally: An *expression* in a MUMIE problem is by definition:
48 48 * standard functions have to be written with their parentheses, so sin x is not permitted
49 49 * do not denote variables by standard function names
50 50 * observe that in the generic TeX framework discussed here all functions defined by the `\function` command are expected to define functions on $$R, N, Q$$ or, possibly, $$C$$
51 -* in the _expression_ in `\function{ function name }{ expression }` one or more independent variables (free parameters) can be used, e.g. `2*x`, `x+y`,`(x_1)^2` . Make sure that the names of the independent variables are not used as _function name_ anywhere in the _variables_ environment
51 +* in the _expression_ in `\function{ function name }{ expression }` one or more independent variables (free parameters) can be used, e.g. `2*x`, `x+y`,`(x_1)^2` . Make sure that the names of the independent variables are not used as _function names_ anywhere in the _variables_ environment
52 52
53 53 # Expressions usable in \checkFuncForZero
54 54
55 55