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|   | ===Analysis of contingent propositions===  |   | ===Analysis of contingent propositions===  | 
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|   | | [[Image:Logical Graph (P (Q)) (P (R)).jpg|500px]] || (26)  |   | | [[Image:Logical Graph (P (Q)) (P (R)).jpg|500px]] || (26)  | 
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|   | | <math>\text{Venn Diagram for}~ \texttt{(} p \texttt{~(} q \texttt{))~(} p \texttt{~(} r \texttt{))}</math>  |   | | <math>\text{Venn Diagram for}~ \texttt{(} p \texttt{~(} q \texttt{))~(} p \texttt{~(} r \texttt{))}</math>  | 
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| − | <br>
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|   | | <math>\text{Venn Diagram for}~ \texttt{(} p \texttt{~(} q ~ r \texttt{))}</math>  |   | | <math>\text{Venn Diagram for}~ \texttt{(} p \texttt{~(} q ~ r \texttt{))}</math>  | 
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| − | <br>
  | + | ====Equation 1 : Proof 1====  | 
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| − | <br>
  | + | ====Equation 1 : Proof 2====  | 
|   | + |    | 
|   | + | =====Single Image Version=====  | 
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| − | <br>
  | + | =====Serial Image Version=====  | 
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|   | | (31)  |   | | (31)  | 
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|   | |}  |   | |}  | 
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| − | ====Proof 3====  | + | ====Equation 1 : Proof 3====  | 
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|   | =====Variant 2=====  |   | =====Variant 2=====  | 
|   | + |  | 
|   | + | {| align="center" cellpadding="8"  | 
|   | + | |  | 
|   | + | {| align="center" cellpadding="0" cellspacing="0" style="border-left:1px solid black; border-top:1px solid black; border-right:1px solid black; border-bottom:1px solid black; text-align:center"  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-00.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-01.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cast P.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-02.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Domination.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-03.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-04.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Emptiness.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-05.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-06.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cast Q.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-07.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-08.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Domination.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-09.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-10.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Spike.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-11.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-12.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cast R.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-13.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-14.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Emptiness.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-15.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Spike.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-16.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- Cancellation.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Proof (P (Q)) (P (R)) = (P (Q R)) 3-17.jpg|500px]]  | 
|   | + | |-  | 
|   | + | | [[Image:Equational Inference Bar -- QED.jpg|500px]]  | 
|   | + | |}  | 
|   | + | | (40)  | 
|   | + | |}  | 
|   | + |  | 
|   | + | ===Praeclarum Theorema : Proof by CAST===  | 
|   |  |   |  | 
|   | {| align="center" cellpadding="8"  |   | {| align="center" cellpadding="8"  |