Question: Let L_NPC be any NP - complete language (e.g., SAT), and L_UD be any undecidable language (e.g., A_TM). Define the language HARD = { :

Let L_NPC be any NP - complete language (e.g., SAT), and

Let L_NPC be any NP - complete language (e.g., SAT), and L_UD be any undecidable language (e.g., A_TM). Define the language HARD = {: x element L_NPC, y element L_UD}. Prove that HARD is NP - hard but not NP - complete. Let L_NPC be any NP - complete language (e.g., SAT), and L_UD be any undecidable language (e.g., A_TM). Define the language HARD = {: x element L_NPC, y element L_UD}. Prove that HARD is NP - hard but not NP - complete

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