(2) Context-free languages: (a) Let ALLLENPDA = {{M) : M is an PDA for which lengths(L(M)) = 1*}. Prove or disprove: ALLLENPDA is decidable. %3D (b) Let REGLENPDA = {(M) : M is an PDA for which...

(2) Context-free languages:<br>(a) Let ALLLENPDA = {{M) : M is an PDA for which lengths(L(M)) = 1*}. Prove<br>or disprove: ALLLENPDA is decidable.<br>%3D<br>(b) Let REGLENPDA = {(M) : M is an PDA for which lengths(L(M)) is regular}.<br>Prove or disprove: REGLENPDA is decidable.<br>

Extracted text: (2) Context-free languages: (a) Let ALLLENPDA = {{M) : M is an PDA for which lengths(L(M)) = 1*}. Prove or disprove: ALLLENPDA is decidable. %3D (b) Let REGLENPDA = {(M) : M is an PDA for which lengths(L(M)) is regular}. Prove or disprove: REGLENPDA is decidable.

Jun 11, 2022

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(2) Context-free languages: (a) Let ALLLENPDA = {{M) : M is an PDA for which lengths(L(M)) = 1*}. Prove or disprove: ALLLENPDA is decidable. %3D (b) Let REGLENPDA = {(M) : M is an PDA for which...

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