Volume Chapter Completed (excluding informal proof)
LF Basics
LF Induction
LF Lists
LF Poly
LF Tactics
LF Logic
LF IndProp weak_pumping;
palindrome_converse;
filter_challenge & filter_challenge_2...
LF Maps
LF Imp
LF Auto
LF Rel
LF ProofObjects
LF IndPrinciples
LF ImpParser
LF ImpCEvalFun
LF Extraction