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Diffstat (limited to 'src/algebra/boolean.spad.pamphlet')
| -rw-r--r-- | src/algebra/boolean.spad.pamphlet | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/algebra/boolean.spad.pamphlet b/src/algebra/boolean.spad.pamphlet index 538ff622..b9761dcc 100644 --- a/src/algebra/boolean.spad.pamphlet +++ b/src/algebra/boolean.spad.pamphlet @@ -60,7 +60,7 @@ PropositionalFormula(T: PropositionalLogic): PropositionalLogic with variable?: % -> Boolean ++ variables? p returns true when `p' really is a variable. variable: % -> Symbol - ++ variable p extracts the varible name from `p'; otherwise errors. + ++ variable p extracts the variable name from `p'; otherwise errors. not?: % -> Boolean ++ not? p is true when `p' is a logical negation |