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When evaluating the validity of deductive reasoning arguments that have multiple premises, it helps to gain confidence working with Euler diagrams.
Practice drawing accurate diagrams that represent the relationships between the statement types and which help to solve syllogisms visually.
Use syllogistic rules wherever applicable in order to narrow down the choices in the conclusions/options.
Cases similar to categorical syllogism arguments are shown according to each conclusion.
1. All Aeons are Bakus.
2. All Bakus are Centaurs.
3. All Centaurs ae Griffins.
A. Some Quinotaurs are Bakus. (Case 6)
B. Some Griffins are Aeons. (Case 2)
C. Some Centaurs are Aeons. (Case 2)
1. Some Tarasques are Wyverns.
2. All Wyverns are Yalis.
3. All Yalis are Zeta Reticulans.
A. Some Yumboes are Wyverns. (Case 6)
B. Some Zeta Retuculans are Tarasques. (Case 6)
C. Some Yalis are Tarasques. (Case 6)
1. All Bakja Rakhnas are Yalis.
2. No Yali is Zashiki Bokko.
3. Some Zashiki Bokkos are Aeons.
A. Some Centaurs are Bakja Rakhnas. (Case 6)
B. Some Centaurs are Zashiki Bokkos. (Case 7)
C. No Centaur is Bakha Rakhna. (Case 6)
'B', and either 'A' or 'C' are valid (according to the merging concept).
1. Some Aeons are Bakus.
2. Some Centaurs are Bakus.
3. All Bakus are Griffins.
A. Some Aeons are Yalis. (Case 5)
B. Some Centaurs are Griffins. (Case 5)
C. Some Aeons are Centaurs. (Case 6)
Applicable rules: Rule 1.
'A', 'B', and either 'C' or 'D' are valid (according to the merging concept).
1. Some Yumboes are Tarasques.
2. All Tarasques are Quinotaurs.
3. Some Quinotaurs are Centaurs.
A. No Griffin is a Yumboe. (Case 12)
B. All Centaurs being Yumboes is a possibility. (None/all possibility case.)
1. Some Bakus are Centaurs.
2. All Centaurs are Wyverns.
3. Some Wyverns are Yalis.
A. All Zerzurans are Bakus. (Case 2)
B. Some Yalis are Bakus. (Case 6)
C. Some Zerzurans being Wyverns is a possibility. (Some/some possibility case.)