I don't understand how to apply the first four rules of inference to this statement: "Every piece of reasoning must start somewhere. And if every piece of reasoning starts somewhere, then every piece of reasoning begins with an unsupported premise. Now, if every piece of reasoning begins with an unsupported premise, then all ...continues
Jo announces: "I have more than 999 books." Jean says: "No, Jo! You have fewer than 1,000 books." Mary says: "Jo has at least 1 book." Only one of these statements is true. How many books does Jo own?
Nine men and two boys, trekking through the jungle, need to cross a river. They have a small inflatable boat and it's easy enough to row it across the river. The boat, however, can hold no more than one man and two boys. How can they get all across? (Hint. Suppose there was only one man and two boys).
How do they get across the river
Nine men and two boys, trekking through the jungle, need to cross the river. They have a small inflatable boat and it's easy enough to row it across the river. The boat, however, can only hold no more than one man and two boys. How can they all get across? (Hint: suppost there was only one man and two boys.)
How can they all get across to the river
Nine men and two boys are trekking through the jungle. They need to cross a river but only have an inflatable boat. It is easy enough to row it across the river but can hold no more than one man or two boys. How can they all get across? The hint given is suppose ther was only only man and two boys.
The following are examples of syllogistic arguments that are missing the conclusion. Study the two reasons very carefully and complete the syllogism with the conclusion that logically follows. 1. All mammals are warm-blooded animals. All whales are mammals. Therefore 2. All flowers are pretty objects. All pansies are f ...continues
Bertrand Russell -- On Denoting
Explain what Bertrand Russell means by this theory of denoting, which is that denoting phrases never have any meaning in isolation, although they contribute to the meaning of every sentence in which they occur.
I would like to have these two questions answered for my own research in philosophy, if possible. 1) Is every satisfiable formula derivable? Why? 2) Is every valid formula derivable? Why?
Five identical sweatshirts are placed in a bag. A letter is stiched to the back of each shirt; two of the letters are L's and three are W's. Chris, Hugo and Mary each pull out a sweatshirt without looking at it and put it on. Chris can see Mary's and Hugo's and correctly deduces, "I cannot tell which letter I have on." Mary's on ...continues
Putting arguments into standard form
I can understand the basic standard form of an argument when it is given to me, but when I see an argument without a second premis I dont understand it. My teacher is not very good at explaining and will not even recommend a good book for me to read to help understand. This is my last hope to understand these examples before the ...continues