File: ascribe.ott

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grammar
t :: Tm ::=                                        {{ com terms: }}
  | t as T                        ::   :: Ascribe    {{ com ascription }}


defns 
Jop :: '' ::= 

defn 
t --> t' :: :: red :: E_ {{ com Evaluation }} by

-------------- :: Ascribe
v1 as T --> v1

t1 --> t1'
-------------------- :: Ascribe1
t1 as T --> t1' as T


defns
Jtype :: '' ::= 

defn
G |- t : T :: :: typing :: T_ {{ com Typing }} by

G |- t1:T
-------------- :: Ascribe
G |- t1 as T:T