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Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gelt1 G,x: t1e2: t2 Glet x el in e2: t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Using the typing rules above, determine if the following expressions are well-typed: Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gel: t1 G, xt1e2: t2 Glet x el in e2 t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Which of the following statements is true regarding the rule for eq0 e? e must be of type bool. e must be of type int. The result of eq0 e is always of type int. The result of eq0 e is true.

Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gelt1 G,x: t1e2: t2 Glet x el in e2: t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Using the typing rules above, determine if the following expressions are well-typed: Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gel: t1 G, xt1e2: t2 Glet x el in e2 t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Which of the following statements is true regarding the rule for eq0 e? e must be of type bool. e must be of type int. The result of eq0 e is always of type int. The result of eq0 e is true.

Programming Logic & Design Comprehensive
Programming Logic & Design Comprehensive
9th Edition
ISBN:9781337669405
Author:FARRELL
Publisher:FARRELL
Chapter2: Elements Of High-quality Programs
Section: Chapter Questions
Problem 5RQ
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Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gelt1 G,x: t1e2: t2 Glet x el in e2: t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Using the typing rules above, determine if the following expressions are well-typed:
Transcribed Image Text:Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gelt1 G,x: t1e2: t2 Glet x el in e2: t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Using the typing rules above, determine if the following expressions are well-typed:
Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gel: t1 G, xt1e2: t2 Glet x el in e2 t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Which of the following statements is true regarding the rule for eq0 e? e must be of type bool. e must be of type int. The result of eq0 e is always of type int. The result of eq0 e is true.
Transcribed Image Text:Gx: G(x) Gtrue bool Gfalse: bool Gn: int Gel: t1 G, xt1e2: t2 Glet x el in e2 t2 Gel bool Ge2 bool Gel and e2: bool Ge: int Gel bool Ge2t Ge3: t Geq0 e bool Gif el then e2 else e3: t Which of the following statements is true regarding the rule for eq0 e? e must be of type bool. e must be of type int. The result of eq0 e is always of type int. The result of eq0 e is true.
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