Harper-Honsell-Plotkin 1987 LF lambda-Pi: meta-language for representing logical systems via dependent types; Twelf implementation; bedrock of mechanized meta-theory + proof-checking architectures.
Harper-Honsell-Plotkin 1987 LF lambda-Pi: meta-language for representing logical systems via dependent types; Twelf implementation; bedrock of mechanized meta-theory + proof-checking architectures.