diff options
Diffstat (limited to 'HoTT_Methods.thy')
| -rw-r--r-- | HoTT_Methods.thy | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/HoTT_Methods.thy b/HoTT_Methods.thy index c314ed4..8a4417d 100644 --- a/HoTT_Methods.thy +++ b/HoTT_Methods.thy @@ -49,14 +49,17 @@ method wellformed uses jdgmt declares wellform = subsection \<open>Derivation search\<close> -text "Combine \<open>simple\<close> and \<open>wellformed\<close> to search for derivations of judgments. +text "Combine \<open>simple\<close>, \<open>wellformed\<close> and the universe hierarchy rules to search for derivations of judgments. \<open>wellformed\<close> uses the facts passed as \<open>lems\<close> to derive any required typing judgments. Definitions passed as \<open>unfolds\<close> are unfolded throughout." method derive uses lems unfolds = ( unfold unfolds | simple lems: lems | - match lems in lem: "?X : ?Y" \<Rightarrow> \<open>wellformed jdgmt: lem\<close> + match lems in lem: "?X : ?Y" \<Rightarrow> \<open>wellformed jdgmt: lem\<close> | + rule Universe_hierarchy | + (rule Universe_cumulative, simple lems: lems) | + (rule Universe_cumulative, match lems in lem: "?X : ?Y" \<Rightarrow> \<open>wellformed jdgmt: lem\<close>) )+ |