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-rw-r--r--HoTT_Base.thy2
-rw-r--r--ROOT18
2 files changed, 18 insertions, 2 deletions
diff --git a/HoTT_Base.thy b/HoTT_Base.thy
index 2ad0ac5..69cc1b1 100644
--- a/HoTT_Base.thy
+++ b/HoTT_Base.thy
@@ -14,6 +14,8 @@ begin
section \<open>Basic setup\<close>
+declare[[eta_contract=false]]
+
typedecl t \<comment> \<open>Type of object types and terms\<close>
typedecl ord \<comment> \<open>Type of meta-level numerals\<close>
diff --git a/ROOT b/ROOT
index 7e76f86..cecdd32 100644
--- a/ROOT
+++ b/ROOT
@@ -1,10 +1,24 @@
+chapter HoTT
+
session HoTT = Pure +
+ description {*
+ Homotopy type theory based on intensional Martin-Löf type theory, with a cumulative universe
+ hierarchy à la Russell.
+
+ Follows the development of the theory in
+ The Univalent Foundations Program, Homotopy Type Theory: Univalent Foundations of Mathematics,
+ Institute for Advanced Study, (2013).
+ Available online at https://homotopytypetheory.org/book.
+
+ Author: Joshua Chen, University of Bonn (2018)
+ *}
sessions
"HOL-Eisbach"
theories
+ HoTT (global)
HoTT_Base
- HoTT
+ HoTT_Methods
"tests/Test"
"ex/Methods"
"ex/Synthesis"
- "ex/Book/Ch1" \ No newline at end of file
+ "ex/Book/Ch1"