0 votes 0 votes How is B a tautology? Mathematical Logic made-easy-test-series propositional-logic + – palashbehra5 asked Jan 14, 2022 palashbehra5 515 views answer comment Share Follow See all 11 Comments See all 11 11 Comments reply Show 8 previous comments Zack Fair commented Jan 14, 2022 reply Follow Share Guess what, they have the same typo in their video solution as well, LOL! Whoa!! 🤣 0 votes 0 votes raja11sep commented Jan 14, 2022 reply Follow Share @palashbehra5 Ohh not counted that..then more than 3. 😂 0 votes 0 votes raja11sep commented Jan 15, 2022 reply Follow Share Gateoverflow Test series - GATE Overflow @Zack Fair @palashbehra5 please ans this one if possible 0 votes 0 votes Please log in or register to add a comment.