I want to make sure I'm doing it correctly. What's the etiquette for addressing a friend's partner or family in a greeting card? Is it important for a ethical hacker to know the C language in-depth nowadays? My strands of LED Christmas lights are not polarized, and I don't understand how that works. Let S(x) mean x is a skier, M(x) mean x is a mountain climber, and L(x,y) mean x likes y, where the domain of the first variable is Hoofers Club members, and the domain of the second variable is snow and rain. Translation of English sentences into First order logic. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. My attempt: ∀X(∀Y (duck(X)∧duckling(Y,X)∧ cannotswim(Y)) → worried(X)), My attempt: ∀X(∀Y (duck(X)∧duckling(Y,X)∧yellow(Y)) → yellow(X)). Hi everybody! 8 Limits on First-Order Representation You should keep in mind, also, that most natural language sentences cannot be translated exactly to first-order logic. Are broiler chickens injected with hormones in their left legs? Every duck who has a yellow duckling is yellow. Thanks for contributing an answer to Mathematics Stack Exchange! Active 2 years, 6 months ago. In many cases you have to sacrifice some of the nuance of the original text. Translation into FOL Sentences. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Translating English into Predicate Logic. Use MathJax to format equations. Did medieval people wear collars with a castellated hem? (Introduction to Predicate Logic) Give examples of English sentences that can be modeled using predicate logic but cannot be modeled using propositional logic. Are any of these incorrect or do I seem to be doing it OK? I had an extra doubt .. so clarified.. thanks :), Translation of English sentences into First order logic, “Question closed” notifications experiment results and graduation, MAINTENANCE WARNING: Possible downtime early morning Dec 2/4/9 UTC (8:30PM…. Ask Question Asked 3 years ago. It only takes a minute to sign up. Guide to First-Order Logic Translations. D ≡C / ∴--> 'Therefore' (conclusion) See the las… To learn more, see our tips on writing great answers. Which is the practical difference between a server and a web server? The following problems were inspired by … In last Friday's lecture, we talked about how to translate statements from English into frst-order logic. English Sentence to Predicate Logic. (Translations) Translate an English sentence into a predicate formula. MathJax reference. Mathematics Stack Exchange is a question and answer site for people studying math at any level and professionals in related fields. Making statements based on opinion; back them up with references or personal experience. As the chapter shows, we will be using: ~--> 'not' Obama will notbe president in 2016, ~O •--> 'and' Pua and Kanoe are Native Hawaiians. Asking for help, clarification, or responding to other answers. Translate a predicate formula into an English sentence. StringMatchQ fails using Alternatives with complex pattern. I got my money returned for a product that I did not return. P •K v= 'or' George or Chelsea will be at the meeting tomorrow. CS 245 Logic and Computation Fall 2019 3 / 37 G ⊃C ≡--> 'if and only if' Democracy will be possible in Iraq if and only if the ethnicities cooperate. Examples for how to Translate English Sentences into First-Order Logic If you would like to practice, there are some more problems in the exercises of Chapter 8, e.g. Woe be to him that reads but one book - meaning? Viewed 1k times 1 $\begingroup$ I ... Having trouble with a translation in first-order logic. 2. Example of X and Z are correlated, Y and Z are correlated, but X and Y are independent. By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. If you mean that a duck is worried as soon as any one (i.e some of its ducklings cannot swim, it would be: $$\forall x((duck(x) \land \exists y (duckling(y,x) \land cannotswim(y))) \rightarrow worried(x))$$, $$\forall x \forall y ((duck(x) \land duckling(y,x) \land cannotswim(y)) \rightarrow worried(x))$$, (you can think of the latter as: 'for any duck and duckling pair where the duckling cannot swim, the duck is worried'). Hmm, that's not what it sounds like to me, but I'll edit my answer ... Ok so for one should it be ∀x(∃y(duckling(y,x)→cannotswim(y))→worried(x)), @confucious No, that first $\rightarrow$ should be an $\land$, actually what you did is correct. Of LED Christmas lights are not polarized, and I do n't understand how that works do understand. 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