changes from pa
make those last changes compile
equivalences are not weak
Merge branch 'master' of https://github.com/HoTT/book
Adding material on induction.
include hlevels
Macros and notational conventions from this week's discussion
working on uniformizing notation and terminology
A few notes in preliminaries about things that need to be discussed
chris' mods in hlevels
mods in hlevels
Merge branch 'master' of https://github.com/HoTT/book
Induction chapter
Latest changes to induction.tex
Merge branch 'master' of https://github.com/HoTT/book