>in we need a rule that will let us prove a conditional. what should the rule be?
TRANSCRIPT
>InWe need a rule that will let us prove a conditional.
What should the rule be?
We need a rule that will let us prove a conditional.What should the rule be?
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J What rule could allow us to get this?
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J
C S’pose this
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J
C S’pose thisM >O
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J
C S’pose thisM >OJ >O
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
C>MM>J
C>J
C S’pose thisM >OJ >O
This follows because from C, I was able to derive J.
>In
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL. An Official Proof
>In
1) C>M 2) M>J3) C4) M5) J6) C>J
A APA1,3 >O2,4 >O3-5 >I
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
A subproof
>In
An Official Proof1) C>M 2) M>J3) C4) M5) J6) C>J
A APA1,3 >O2,4 >O3-5 >I
If a doctor is CALLED then the police will find ME.If they find ME, then I will go to JAIL.So: If a doctor is CALLED, I will go to JAIL.
>In
A PA : CA>C
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>In
An Official Proof1) C>M 2) M>J3) C4) M5) J6) C>J
A APA1,3 >O2,4 >O3-5 >I