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| author | Josh Chen | 2020-05-29 10:20:36 +0200 |
|---|---|---|
| committer | Josh Chen | 2020-05-29 10:20:36 +0200 |
| commit | 41da54eca527b7c61f13ebcb75a8970bc845bb40 (patch) | |
| tree | f5ee5fad3b514eb97dac2db061bc47c523849b9e | |
| parent | 417af1adf5453720c55e27de212b830569311f0e (diff) | |
minor
Diffstat (limited to '')
| -rw-r--r-- | hott/More_List.thy | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/hott/More_List.thy b/hott/More_List.thy index aa57635..c3d63f6 100644 --- a/hott/More_List.thy +++ b/hott/More_List.thy @@ -16,7 +16,7 @@ definition [implicit]: "len \<equiv> ListRec ? Nat 0 (\<lambda>_ _ n. suc n)" experiment begin - Lemma "len [] \<equiv> 0" by reduce + Lemma "len [] \<equiv> ?n" by (subst comps)+ Lemma "len [0, suc 0, suc (suc 0)] \<equiv> ?n" by (subst comps)+ end |