'Lambda term' presentation slideshows

Logic-based Semantics (and some IE)

Logic-based Semantics (and some IE). Yoav Goldberg. Heavily based on slides by Greg Durett, Jason Eisner, Dan Jurafsky, Alexander Fraser. Some challenges in semantic representation. What do we do in practice. Semantics. From Syntax to Meaning!. +. *. 3. 6. 5. E. E. F. E. E. F.

1.06k views • 105 slides

Semantics

Semantics. From Syntax to Meaning!. +. *. 3. 6. 5. E. E. F. E. E. F. E. +. *. N. N. N. 5. 6. 3. Programming Language Interpreter. What is meaning of 3+5*6 ? First parse it into 3+ ( 5*6 ). 33. 3. 30. 5. 6. E. 33. 30. E. F. E. 3. add. 5. 6. mult. +. N. N.

847 views • 71 slides

307 views • 30 slides

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339 views • 17 slides

Lesson 3 Formalizing and Implementing Pure Lambda Calculus

Lesson 3 Formalizing and Implementing Pure Lambda Calculus. 1/15/02 Chapters 5.3, 6, 7. Outline. Operational semantics of the lambda calculus substitution alpha-conversion, beta reduction evaluation Avoiding names -- deBruijn indices substitution evaluation Implementation in ML.

293 views • 15 slides

lambda calculus

lambda calculus. Jianguo Lu. H istory. A formal system designed to investigate function definition, function application, and recursion. Introduced by Alonzo Church in 1930s. The calculus can be used to cleanly define what a computable function is. Lambda calculus influenced Lisp.

256 views • 12 slides