Question

Problem 4: Show that if A <= B where B is a regular language, it does not imply A is a regular language. Problem 5: Use Rice's theorem to prove the undecidability of the following language: ALLTM = {〈M 〉|M is a TM and L(M ) = Σ*}

Name: problem 4 show that if a b where b is a regular language it does not imply a is a regular language problem 5 use rices theorem to prove the undecidability of the following language alltm m m 66719
Uploaded: 2023-11-06T10:58:27-08:00
Duration: 2 min 21 s
Channel: Madhur L
Description: problem 4 show that if a b where b is a regular language it does not imply a is a regular language problem 5 use rices theorem to prove the undecidability of the following language alltm m m 66719

          Problem 4: Show that if A <= B where B is a regular language, it does not imply A is a regular language.

Problem 5: Use Rice's theorem to prove the undecidability of the following language: ALLTM = {〈M 〉|M is a TM and L(M ) = Σ*}

Added by Ashley M.

Computer Science and Information Technology

Trishna Knowledge Systems 2018 Edition

Instant Answer

Solved by Expert Madhur L

11/06/2023

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e., there exists a Turing machine that can decide A using a Turing machine that decides B. Show more…

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Problem 4: Show that if A <= B where B is a regular language, it does not imply A is a regular language. Problem 5: Use Rice's theorem to prove the undecidability of the following language: ALLTM = {〈M 〉|M is a TM and L(M ) = Σ*}