0 0 votes anyone explain why option B is wrong? Mathematical Logic made-easy-test-series first-order-logic discrete-mathematics made-easy-test-series-2024 + – aashish1406 832 views answer comment Share Follow Print See 1 comment 1 1 comment reply nikhil2329 commented Dec 15, 2023 reply Follow flag option B is wrong because even if some person don’t visit delhi the statement will be false. visit every city but also don’t visit delhi can’t happen together. 0 0 replyShare Please log in or register to add a comment.
0 0 votes The expression ∃x∀y[visited(x,y)∧(y≠Delhi)] is incorrect because it implies "There exists a person for whom no city is Delhi and who has visited every city in India" amitarp818 answered Nov 29, 2023 amitarp818 comment Share Follow See 1 comment 1 1 comment reply aashish1406 commented Nov 30, 2023 reply Follow flag @amitarp818 👍 0 0 replyShare Please log in or register to add a comment.