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Diffstat (limited to 'hott/More_List.thy')
| -rw-r--r-- | hott/More_List.thy | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/hott/More_List.thy b/hott/More_List.thy deleted file mode 100644 index 1b8034f..0000000 --- a/hott/More_List.thy +++ /dev/null @@ -1,18 +0,0 @@ -theory More_List -imports - Spartan.List - Nat - -begin - -section \<open>Length\<close> - -definition [implicit]: "len \<equiv> ListRec ? Nat 0 (fn _ _ rec. suc rec)" - -experiment begin - Lemma "len [] \<equiv> ?n" by (subst comp)+ - Lemma "len [0, suc 0, suc (suc 0)] \<equiv> ?n" by (subst comp)+ -end - - -end |