Compare two revisions of: Explanations

... ... @@ -22,7 +22,7 @@ With `\showExplanation{always}` the author can define, that an explanations is a
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23 23 # Optional Condition
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25 -The optional condition is an expression that can be evaluated to true of false. It can contain
25 +The optional condition is an expression that can be evaluated to true or false. It can contain
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27 27 * logical operators: AND, OR, NOT (make sure that you surround the expression that should be negated with square brackets, e.g. `NOT [equal(ans_1,f)]` instead of `NOT equal(ans_1,f)`)
28 28 * relation symbols: =, !=, >, >=, <, <= (make sure to have a white space before and after a relation symbol, e.g. type `z != 0` instead of `z!=0`)
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