added a tactic "all_trivials" which simplifies all trivial constructor cases and leaves the others untouched.
(*<*)
theory Paper
imports "~~/src/HOL/Library/LaTeXsugar"
begin
declare [[show_question_marks = false]]
section {* Introduction *}
text {*
mention Russo paper which concludes that technology is not
ready beyond core-calculi.
*}
(*<*)
end
(*>*)