# Debate 1
## Proposition
> "carbohydrates cause obesity because they cause starvation."
## Arguments
### Steel Man of Gary's Argument
| **Variable** | **Definition** |
|:----------------------------------------:|:------------------------------------------ |
| **S** | a macronutrient (x) causes starvation |
| **N** | a macronutrient (x) increases insulin |
| **f** | fat |
| **c** | carbs |
P1) A macronutrient causes starvation if and only if a macronutrient increases insulin.
(∀x(Sx↔Nx))
P2) Fat does not increase insulin, whereas carbs do.
(¬Nf∧Nc)
C) Therefore, fat does not cause starvation, whereas carbs do.
(∴¬Sf∧Sc)
[Proof Tree](https://www.umsu.de/trees/#(~6x(Sx~4Nx)),(~3Nf~1Nc)|=(~3Sf~1Sc))
### Gary's Unedited Argument
| **Variable** | **Definition** |
|:----------------------------------------:|:------------------------------------------ |
| **S** | a macronutrient (x) causes starvation |
| **N** | a macronutrient (x) increases insulin |
| **H** | a macronutrient (x) causes hunger |
| **f** | fat |
| **c** | carbs |
P1) A macronutrient causes starvation if and only if a macronutrient increases insulin and causes hunger.
(∀x(Sx↔Nx∧Hx))
P2) A macronutrient causes hunger if and only if a macronutrient increases insulin.
(∀x(Nx↔Hx))
P3) Fat does not increase insulin, whereas carbs do.
(¬Nf∧Nc)
P4) Fat does not cause hunger, whereas carbs do.
(¬Hf∧Hc)
C) Therefore, fat does not cause starvation, whereas carbs do.
(∴¬Sf∧Sc)
[Proof Tree](https://www.umsu.de/trees/#(~6x(Sx~4Nx~1Hx)),(~6x(Nx~4Hx)),(~3Nf~1Nc),(~3Hf~1Hc)|=(~3Sf~1Sc))
## Analysis
1. What the fuck does it mean to cause starvation?
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