Genesis 1:1 * describes the following logic Informally Premise P1: God exists. Premise P2: If P1 then "the universe is as old as the earth**". Conclusion C1: The universe is as old as the earth. Formally P1 → C1, P1 C1 This form of logic is called Modus Ponens. The truth of C1 doesn't imply the truth of P1 because there may be other explanations for C1. Lets look at the following classical example Premise P3: It rains Premise P4: If P3 then "the streets are wet". Conclusion C2: The streets are wet There are other possible explanations for wet streets: A cleaning crew just passed, there were games with water, the dikes were broken, etc ... However, we can say that, if the streets are not wet then it doesn't rain. Formally P3 → C2, ¬C2 ¬P3 This form of logic is called Modus Tollens and is the inverse of Modus Ponens. To return to Genesis 1:1. C1 is false and Modus Tollens app...
After debating with religious people on Twitter for a number of months (mostly Christians, some Muslims and a few... stray bullets), I thought to myself that all arguments for gods are based on flawed logic. A short convo confirmed that, indeed, my fellow atheists on Twitter believe the same. This is a short list with the most common logical fallacies I've encountered. This post will be updated to incorporate new fallacies when they present themselves. The Fallacy Fallacy Warning: Using flawed logic doesn't mean that your conclusion is necessarily wrong, it just means that you cannot base your conclusion on that logic. Let's think about an example to clarify this. Suppose you are going to visit your family, and they ask you at what time you'll arrive. You take into account the inevitable traffic jam and estimate an hour. Then, you step into your car and lo and behold, there is no traffic jam... but you get a flat tire. You arrive at the estimated time, bu...
Not long ago, I put my original post about the burden of proof on reddit.com . The comments were... surprising to me. However, as I respect the /r/Atheism crowd (they know more than I do), I feel obligated to address their criticism. Before anything else, I admit that we can construct a deity that might exist. The agnostic atheist position is correct for that reason. "If you can't even define it, discussion or belief seem pointless." In my original post, I used the dictionary definition of 'god' God 1. (in Christianity and other monotheistic religions) the creator and ruler of the universe and source of all moral authority; the supreme being. 2. (in certain other religions) a superhuman being or spirit worshipped as having power over nature or human fortunes; a deity. I insist this definition of 'god' has evidence against it. We can accept the burden of proof and demonstrate this 'creator and ruler of the universe' doesn...
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