obsidian/🛡️ Debate/🗡️ Opponents/Gary Taubes.md

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

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

Analysis

1. What the fuck does it mean to cause starvation?

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