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| author | Josh Chen | 2021-06-28 16:06:19 +0100 |
|---|---|---|
| committer | Josh Chen | 2021-06-28 16:06:19 +0100 |
| commit | 5655750e12d3459c1237588f8dec3fc883a966b7 (patch) | |
| tree | 177e050393e23173dded08a741f2a95c56ffdf6a /hott/List_HoTT.thy | |
| parent | 06f38e1bad882ec85cbfd89b74feef380c8bbd69 (diff) | |
1. Thm/def statement display. 2. Syntax + computation proof.
Diffstat (limited to 'hott/List_HoTT.thy')
| -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 |