Logical connectives and compound statements<br />Hello friends, Welcome to my channel mathstips4u.<br />In this video we are going to learn what is meant by Logical connectives, symbols used and terms used to describe compound statements.<br />If you are new visitor or came accidentally to this video before watching this video, please watch my previous video of which the link is given bellow.<br />Watch the video till ends. At end I shall provide you the answers of questions which were asked in the last video.<br />In Mathematical Logic there are five Logical connectives viz.<br />And, or, not, If …Then, …If and only if…<br />These words or group of words are used to join two simple statements to make a compound statements.<br />Sr. No. Connectives Symbols Term used To describe<br />1 and Ʌ Conjunction<br />2 or V Disjunction<br />3 not ~ Negation<br />4 If…Then → or => Implication or Conditional<br />5 ….if and only if … ↔ or<br /> Double implication or Bi-conditional<br /> <br />In the last video I asked you to write which of the following sentences are statements in logic. In case of statements, write down the truth value. Answers are here.<br /> Today is Saturday. Not a statement. An open sentence. <br /> Work hard. Not a statement. An imperative sentence<br /> Moon is a satellite. T<br /> He likes coffee. Not a statement. An open sentence. <br /> x^2- 3*x +2 = 0, x = 2 T<br /> Do not disturb me. Not a statement. An imperative sentence<br /> Why you are angry? Not a statement. An interrogative sentence.<br /> May god bless you! Not a statement. An exclamatory sentence<br /> Swimming is fun. Not a statement. An open sentence.<br />10.√(-4 ) is a complex number. T<br />In this way we have seen logical connectives, symbols used for them and terms describing these compound statements.<br />Be touch with me. My next video is about conjunction. If you like my video, please subscribe my channel, like it, share it and comment so I shall get inspiration to share my knowledge to you. Thanking you for watching my video.<br />