<p>At the same time, proofs are an integrated part of the formalism, allowing, via the
<a href="http://en.wikipedia.org/wiki/Curry-Howard_correspondence">Curry Howard
isomorphism</a>, a smooth interplay between
<p>At the same time, proofs are an integrated part of the formalism, allowing, via the
<a href="http://en.wikipedia.org/wiki/Curry-Howard_correspondence">Curry Howard
isomorphism</a>, a smooth interplay between