diff options
Diffstat (limited to '')
| -rw-r--r-- | hott/List_HoTT.thy | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/hott/List_HoTT.thy b/hott/List_HoTT.thy index a48d2ab..dc52320 100644 --- a/hott/List_HoTT.thy +++ b/hott/List_HoTT.thy @@ -10,8 +10,8 @@ section \<open>Length\<close> definition [implicit]: "len \<equiv> ListRec {} Nat 0 (fn _ _ rec. suc rec)" experiment begin - Lemma "len [] \<equiv> ?n" by compute - Lemma "len [0, suc 0, suc (suc 0)] \<equiv> ?n" by compute + Lemma "len [] \<equiv> ?n" by (subst comp; typechk?)+ + Lemma "len [0, suc 0, suc (suc 0)] \<equiv> ?n" by (subst comp; typechk?)+ end |