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## Arguments

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**Arguments**A falasafaz! presentation**Which arguments?**More like this Not this**Defining Arguments**An argument is a connected series of statements intended to establish a proposition. Reasons – and the relations between them – determine whether we should logically accept a particular conclusion.**Activity #1**Using the video (click here or the witch): What reasons are offered to logically support the conclusion that ‘she is a witch’?**How do you know she’s a witch?**She looks like a witch – she’s dressed like a witch, is wearing a pointy hat, has a pointy nose, and she even has a wart. Therefore, she’s a witch. Problem: The villagers dressed her as a witch. Not only is her looking like a witch an illusion, but it isn’t one she’s responsible for.**How do you know she’s a witch?**She turned the villager into a newt (even though he got better). Problem: ????**How do you know she’s a witch?**You also burn wood You burn witches So witches must burn because they’re made of wood But how do we know she’s made of wood?**How do you know she’s a witch?**But! As well as burning, wood also floats. Make a bridge out of her? NO. You can make bridges out of stone or wood, so making a bridge out of her won’t tell you if she’s wood. Ducks also float. Therefore…**How do you know she’s a witch?**If the woman weighs the same as a duck… Then she’s a witch.**Recap on arguments**Reasons Inference Assumptions Conclusions Implications**Evaluating arguments?**Are the reasons true? Are the reasons relevant and significant to the conclusion? Is the inference valid? Is the conclusion plausible?**This work is licensed under the Creative Commons**Attribution-NonCommercial-ShareAlike 2.0 UK: England & Wales License. To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-sa/2.0/uk/ or send a letter to Creative Commons, PO Box 1866, Mountain View, CA 94042, USA.