Question: ( 3 0 points ) Consider the FUN language without type annotations, perform constraint - based type checking of the following expression using CT -

(30 points) Consider the FUN language without type annotations, perform constraint-based type checking of the following expression using CT-XXX rules (use CT-Ident1 and CT-Ident2 instead of CT-Ident). You need to show the derivation steps.
let f= lambda x.xin app f1
( 3 0 points ) Consider the FUN language without

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