Question: a) Show that La-{(N, X1, x2) , M s a TM and M halts on X1 or X2} s in RE. b) Show that L,-{(M,

a) Show that La-{(N, X1, x2) , M s a TM

a) Show that La-{(N, X1, x2) , M s a TM and M halts on X1 or X2} s in RE. b) Show that L,-{(M, x? | M is a TM and M halts on x in exactly 2 steps} is in REC

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