I mostly know this idea as pre-rigor and post-rigor in mathetmatics:https://terrytao.wordpress.com/career-advice/theres-more-to-mathematics-than-rigour-and-proofs/
I mostly know this idea as pre-rigor and post-rigor in mathetmatics:
https://terrytao.wordpress.com/career-advice/theres-more-to-mathematics-than-rigour-and-proofs/