diff options
Diffstat (limited to '')
-rw-r--r-- | spartan/lib/List.thy | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/spartan/lib/List.thy b/spartan/lib/List.thy index be86b63..34873e4 100644 --- a/spartan/lib/List.thy +++ b/spartan/lib/List.thy @@ -132,9 +132,9 @@ Definition app: assumes "A: U i" "xs: List A" "ys: List A" shows "List A" apply (elim xs) - \<guillemotright> by (fact \<open>ys:_\<close>) - \<guillemotright> prems vars x _ rec - proof - show "x # rec: List A" by typechk qed + \<^item> by (fact \<open>ys:_\<close>) + \<^item> vars x _ rec + proof - show "x # rec: List A" by typechk qed done definition app_i ("app") where [implicit]: "app xs ys \<equiv> List.app ? xs ys" @@ -169,8 +169,8 @@ Definition rev: assumes "A: U i" "xs: List A" shows "List A" apply (elim xs) - \<guillemotright> by (rule List_nil) - \<guillemotright> prems vars x _ rec proof - show "app rec [x]: List A" by typechk qed + \<^item> by (rule List_nil) + \<^item> vars x _ rec proof - show "app rec [x]: List A" by typechk qed done definition rev_i ("rev") where [implicit]: "rev \<equiv> List.rev ?" |