Proving the cardinality of a finite set
Error when trying to evaluate `coprime`
All available predicates in Isabelle
How do I refer to the current subgoal in Isar?
How to manage all the various proof methods
How to analyze if-expressions in assumptions?
What does `class` do in Isabelle
How to define a linear ordering on a type?
Parsing the content of a cartouche using a “term parser”
Defining finite sets in Isabelle
Find Lemmas used by simp/auto/clarify
Complete proof output in Isabelle
How to prove in HOLCF that double reversion of a list doesn't change it
Organization of `thy` files that come with Isabelle
Error message in Isabelle/HOL
What happens during function proofs