K. Petersson, B. Nordstrom and J. Smith. Programming in Martin-Lof Type Theory . Oxford University Press, 1990. Programming in Martin-Lof Type Theory . Oxford University Press.
Recursive programs correspond here to proofs by induction.
This term is hidden during proof construction, but is computed automatically from the completed proof. Programming in Martin-Lof Type Theory . Oxford University Press, 1990. K. Nordstrom, B. Petersson and J. Smith. Programming in Martin-Lof Type Theory .