ragnell. Posted September 30, 2012 Share Posted September 30, 2012 I pass math or my parents give me a present in Christmas. If my parents do not love me then they do not give me a present in Christmas. In consequence, I pass math or my parents love me. Guess if this is a tautology, a contradiction or a contingency :D Quote Link to comment Share on other sites More sharing options...
Darros Posted September 30, 2012 Share Posted September 30, 2012 no Quote Link to comment Share on other sites More sharing options...
Esme Posted September 30, 2012 Share Posted September 30, 2012 why do we celebrate christmas again Quote Link to comment Share on other sites More sharing options...
CT075 Posted September 30, 2012 Share Posted September 30, 2012 is this inclusive or exclusive OR logic Quote Link to comment Share on other sites More sharing options...
ragnell. Posted September 30, 2012 Author Share Posted September 30, 2012 Inclusive Quote Link to comment Share on other sites More sharing options...
Esme Posted September 30, 2012 Share Posted September 30, 2012 what is the nationality of the parents? Quote Link to comment Share on other sites More sharing options...
ragnell. Posted September 30, 2012 Author Share Posted September 30, 2012 Esmians Quote Link to comment Share on other sites More sharing options...
Esme Posted September 30, 2012 Share Posted September 30, 2012 how old are they Quote Link to comment Share on other sites More sharing options...
ragnell. Posted September 30, 2012 Author Share Posted September 30, 2012 $ years old Quote Link to comment Share on other sites More sharing options...
Balcerzak Posted September 30, 2012 Share Posted September 30, 2012 (edited) I pass math or my parents give me a present in Christmas. If my parents do not love me then they do not give me a present in Christmas. In consequence, I pass math or my parents love me. Guess if this is a tautology, a contradiction or a contingency :D X or Y If not Z then not Y --- X or Z Assume not Z. then not Y follows. Since not Y, then from X or Y, X follows. By disjunction introduction X or Z follows. Assume Z. X or Z follows by disjunction introduction. X or Z follows. Tautology. Edited September 30, 2012 by Balcerzak Quote Link to comment Share on other sites More sharing options...
ragnell. Posted September 30, 2012 Author Share Posted September 30, 2012 Yep, it is fun doing this kind of exercise. Quote Link to comment Share on other sites More sharing options...
鳴美 Posted September 30, 2012 Share Posted September 30, 2012 why do we celebrate christmas again To remind us all how much we hate each other's company. Quote Link to comment Share on other sites More sharing options...
Balcerzak Posted September 30, 2012 Share Posted September 30, 2012 Yep, it is fun doing this kind of exercise. I completely agree. Maybe I should dig out my old logic text and provide a couple. Quote Link to comment Share on other sites More sharing options...
ragnell. Posted September 30, 2012 Author Share Posted September 30, 2012 I completely agree. Maybe I should dig out my old logic text and provide a couple. it would be much appreciated Quote Link to comment Share on other sites More sharing options...
Balcerzak Posted September 30, 2012 Share Posted September 30, 2012 The Big Bad Wolf will succeed in eating all the Three Little Pigs just in case either he is able to catch them all off guard or the first Little Pig, Cyril, cannot complete his brick house in time. However, even if Cyril does complete his brick house in time, the Big Bad Wolf will be able to consume all three pigs if either the second Little Pig, Porcina, continues to live in her straw house, or the third Little Pig, Hogarth, keeps up the foolish habit of riding his unicycle late at night. Unfortunately for the Three Little Pigs, if Porcina stops living in her straw house, then Hogarth will be sure to continue his nighttime unicycle rides. As a result, it appears that the Big Bad Wolf will succeed in his ghastly plans. Quote Link to comment Share on other sites More sharing options...
Baldrick Posted September 30, 2012 Share Posted September 30, 2012 OK, I think I found a solution. For Ragnell's sake, I'll spoiler it. Cyril should convince Porcina to move out, then knock out Hogarth and tie him up in his basement. None of the prerequisites for the Wolf eating the Pigs happen. Quote Link to comment Share on other sites More sharing options...
Balcerzak Posted September 30, 2012 Share Posted September 30, 2012 brilliant Quote Link to comment Share on other sites More sharing options...
mmKALLL Posted September 30, 2012 Share Posted September 30, 2012 (edited) Tautology. Balcerzak's was too wordy for me to digest at 2 am -- shit, it's 2 am already. Exams in six hours.. ...Perhaps I'd better get some sleep. Oh well. Have fun folks. Also, if I have fun, nobody else has fun. I have fun if I make bad jokes. Somebody will have fun. What is the answer? That's right, there was no question. Edited September 30, 2012 by moneymatchKalle Quote Link to comment Share on other sites More sharing options...
Baldrick Posted September 30, 2012 Share Posted September 30, 2012 42 Quote Link to comment Share on other sites More sharing options...
ragnell. Posted October 3, 2012 Author Share Posted October 3, 2012 (edited) 1349039992[/url]' post='2142305']The Big Bad Wolf will succeed in eating all the Three Little Pigs just in case either he is able to catch them all off guard or the first Little Pig, Cyril, cannot complete his brick house in time. However, even if Cyril does complete his brick house in time, the Big Bad Wolf will be able to consume all three pigs if either the second Little Pig, Porcina, continues to live in her straw house, or the third Little Pig, Hogarth, keeps up the foolish habit of riding his unicycle late at night. Unfortunately for the Three Little Pigs, if Porcina stops living in her straw house, then Hogarth will be sure to continue his nighttime unicycle rides. As a result, it appears that the Big Bad Wolf will succeed in his ghastly plans. It is a tautology, isn't it? Now let's play modeling and changing to Boolean expressions with SF members! I will begin: Tangerine wanted to escape to wonderland when she turned 15. When she arrived there, she met Nightmare and Raven, who would wait for her since she turned 15 and Esme got near Earth. Tangerine thought that the trip would be a magnificent experience unless she would meet La levedad who hated her since Tangerine turned 15. One necessary condition for Tangerine to reach wonderland is, that The Gentleman could reach her house when the day dies and L1049 magically appeared in her house. It is sufficient for L1049 to magically appear in Tangerine's house that The Gentleman is in her house and the day dies. Tomorrow is the third day of October and The Gentleman is in Tangerine's house when the day dies. So everything point that Tangerine will reach wonderland, will meet Nightmare, Raven and La Levedad who hated her since Tangerine turned 15. time to turn it into a Boolean expression! Edited October 3, 2012 by ragnell. Quote Link to comment Share on other sites More sharing options...
CT075 Posted October 3, 2012 Share Posted October 3, 2012 relevant Quote Link to comment Share on other sites More sharing options...
ragnell. Posted October 3, 2012 Author Share Posted October 3, 2012 1349226698[/url]' post='2144461']relevant Hahahaha That comic was in the door of my Thermo teacher last trimester! That made me remember that every day for a while after thermo, my friends and I would eat at the cafeteria while talking about Carnot's machine and adiabatic processes problems.... Quote Link to comment Share on other sites More sharing options...
Original Alear Posted October 3, 2012 Share Posted October 3, 2012 It is a tautology, isn't it? Now let's play modeling and changing to Boolean expressions with SF members! I will begin: Tangerine wanted to escape to wonderland when she turned 15. When she arrived there, she met Nightmare and Raven, who would wait for her since she turned 15 and Esme got near Earth. Tangerine thought that the trip would be a magnificent experience unless she would meet La levedad who hated her since Tangerine turned 15. One necessary condition for Tangerine to reach wonderland is, that The Gentleman could reach her house when the day dies and L1049 magically appeared in her house. It is sufficient for L1049 to magically appear in Tangerine's house that The Gentleman is in her house and the day dies. Tomorrow is the third day of October and The Gentleman is in Tangerine's house when the day dies. So everything point that Tangerine will reach wonderland, will meet Nightmare, Raven and La Levedad who hated her since Tangerine turned 15. time to turn it into a Boolean expression! This may actually be based on a true story because I have magical powers. Quote Link to comment Share on other sites More sharing options...
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