Programming Language Theory: Difference between revisions

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===Untyped λ-calculus===
===Untyped λ-calculus===
λ-term ::= λ-app | λ-abst | ''var''
λ-app ::= λ-term λ-term
λ-abst ::= 'λ'''var'''.' λ-term
Two operators (function ''definition'' and ''application'') upon one operand type (λ-expression).
Two operators (function ''definition'' and ''application'') upon one operand type (λ-expression).
* Function definition: <tt>(λ''boundparam''. body)</tt>
* Function definition: <tt>(λ''boundparam''. body)</tt>