Reports what a checked Lean 4 or Metamath proof rests on: inherited sorry, compiler trust, axioms.
Free
One server, in developer tools & repos. Reports what a checked Lean 4 or Metamath proof rests on: inherited sorry, compiler trust, axioms.
Developer Tools & Repos
Reports what a checked Lean 4 or Metamath proof rests on: inherited sorry, compiler trust, axioms.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.