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| Compound (Complex) |
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| Sentences |
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| • | variable
scope - the parts of a sentence for |
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| which
a variable quantifier is relevant |
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| • | free
variables - unquantified variables |
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| • | formula
- another word for sentence |
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| • | well-formed
formula (wff) - a sentence |
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| with
no free variables |
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