diff options
Diffstat (limited to '')
| -rw-r--r-- | hott/More_List.thy | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/hott/More_List.thy b/hott/More_List.thy index c3d63f6..a216987 100644 --- a/hott/More_List.thy +++ b/hott/More_List.thy @@ -5,24 +5,14 @@ imports begin -experiment begin - Lemma "map (\<lambda>n: Nat. suc n) [0, suc (suc 0), suc 0] \<equiv> ?xs" - unfolding map_def by (subst comps)+ -end - section \<open>Length\<close> -definition [implicit]: - "len \<equiv> ListRec ? Nat 0 (\<lambda>_ _ n. suc n)" +definition [implicit]: "len \<equiv> ListRec ? Nat 0 (\<lambda>_ _ rec. suc rec)" experiment begin Lemma "len [] \<equiv> ?n" by (subst comps)+ Lemma "len [0, suc 0, suc (suc 0)] \<equiv> ?n" by (subst comps)+ end -section \<open>Equality on lists\<close> - -(*Hmmm.*) - end |