obsidian/🛡️ Debate/Opponents/David McCune.md

Debate 1

Proposition

"There's no evidence that masking reduces the spread of COVID19"

Arguments

Gold Standard Tho

P1) If RCTs are the FDA's gold standard for causal inference, then RCTs are required for a causal inference regarding mask effectiveness.
(P→Q)
P2) RCTs are the FDA's gold standard for causal inference.
(P)
C) Therefore, RCTs are required for a causal inference regarding mask effectiveness.
(∴Q)

Proof Tree

New Interventions Tho

Definiendum	Definiens
N	the medical intervention (x) is new
K	the level of harm produced by the medical intervention (x) is known
R	an RCT is generally required for a causal inference for that medical intervention (x)
c	Required masking to reduce the spread of COVID

P1) If the medical intervention is new and the level of harm produced by the medical intervention is not known, then an RCT is generally required for a causal inference for that medical intervention.
(∀x(Nx∧¬Kx→Rx))
P2) Required masking to reduce the spread of COVID is new.
(Nc)
P3) The level of harm produced by required masking to reduce the spread of COVID is not known.
(¬Kc)
C) Therefore, an RCT is generally required for causal inference for required masking to reduce the spread of COVID.
(∴Rc)

Proof Tree

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