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THE LOGIC OF CAUSATION

© Avi Sion, 2003. All rights reserved.

 

Phase Two: Microanalysis

Chapter 14 Main Three-Item Syllogisms

1.    Applying Microanalysis to Syllogism.

2.    The Moduses of Premises.

3.    The Moduses of Conclusions

4.    Dealing with Vaguer Propositions

 

 

3.    The Moduses of Conclusions.

 

Putting the data in the above table together in various combinations, we can now ascertain the moduses of resulting conclusions. As already said, when the premises have no common modus, they are “inconsistent”. When some resulting modus(es) fall under causation (c) and some other(s) under non-causation (not-c), we must admit that there is “no conclusion”. In all other cases, there is a conclusion, namely the determination (whatever it be, at least causation or non-causation) which includes all the resulting moduses.

The following table lists all these results. Note well that all weak determinations mentioned in it are intended as absolute, though not so specified. Syllogism with relative weaks will be considered later.

 

Table 14.4.  Moduses of conclusions of all syllogisms with strong or absolute weak positive premises, generic or joint.

 

 

Major

Minor

Conclusion

Common moduses

No.

 

First Figure

 

 

Mood

QR

PQ

PR

 

 

111

mn

mn

mn

130

1

112

mn

mq

mq

138

1

113

mn

np

np

146

1

114

mn

pq

pq

154

1

115

mn

m

m

130, 138

2

116

mn

n

n

130, 146

2

117

mn

p

p

146, 154

2

118

mn

q

q

138, 154

2

121

mq

mn

mq

132

1

122

mq

mq

mq

140

1

123

mq

np

no conclusion

147-148, 162, 164, 178-180

7

124

mq

pq

not-n

155-156, 170, 172, 186-188

7

125

mq

m

mq

132, 140

2

126

mq

n

no conclusion

132, 147-148, 162, 164, 178-180

8

127

mq

p

no conclusion

147-148, 155-156, 162, 164, 170, 172, 178-180, 186-188

14

128

mq

q

not-n

140, 155-156, 170, 172, 186-188

8

131

np

mn

np

194

1

132

np

mq

no conclusion

74, 78, 134, 142, 198, 202, 206

7

133

np

np

np

210

1

134

np

pq

not-m

90, 94, 150, 158, 214, 218, 222

7

135

np

m

no conclusion

74, 78, 134, 142, 194, 198, 202, 206

8

136

np

n

np

194, 210

2

137

np

p

not-m

90, 94, 150, 158, 210, 214, 218, 222

8

138

np

q

no conclusion

74, 78, 90, 94, 134, 142, 150, 158, 198, 202, 206, 214, 218, 222

14

141

pq

mn

pq

196

1

142

pq

mq

not-n

76, 80, 136, 144, 200, 204, 208

7

143

pq

np

not-m

211-212, 226, 228, 242-244

7

144

pq

pq

no conclusion

91-92, 95-96, 106, 108, 110, 112, 122-124, 126-128, 151-152, 159-160, 166, 168, 174, 176, 182-184, 190-192, 215-216, 219-220, 223-224, 230, 232, 234, 236, 238, 240, 246-248, 250-252, 254-256

49

145

pq

m

not-n

76, 80, 136, 144, 196, 200, 204, 208

8

146

pq

n

not-m

196, 211-212, 226, 228, 242-244

8

147

pq

p

no conclusion

91-92, 95-96, 106, 108, 110, 112, 122-124, 126-128, 151-152, 159-160, 166, 168, 174, 176, 182-184, 190-192, 211-212, 215-216, 219-220, 223-224, 226, 228, 230, 232, 234, 236, 238, 240, 242-244, 246-248, 250-252, 254-256

56

148

pq

q

no conclusion

76, 80, 91-92, 95-96, 106, 108, 110, 112, 122-124, 126-128, 136, 144, 151-152, 159-160, 166, 168, 174, 176, 182-184, 190-192, 200, 204, 208, 215-216, 219-220, 223-224, 230, 232, 234, 236, 238, 240, 246-248, 250-252, 254-256

56

151

m

mn

m

130, 132

2

152

m

mq

mq

138, 140

2

153

m

np

no conclusion

146-148, 162, 164, 178-180

8

154

m

pq

not-n

154-156, 170, 172, 186-188

8

155

m

m

m

130, 132, 138, 140

4

156

m

n

no conclusion

130, 132, 146-148, 162, 164, 178-180

10

157

m

p

no conclusion

146-148, 154-156, 162, 164, 170, 172, 178-180, 186-188

16

158

m

q

not-n

138, 140, 154-156, 170, 172, 186-188

10

161

n

mn

n

130, 194

2

162

n

mq

no conclusion

74, 78, 134, 138, 142, 198, 202, 206

8

163

n

np

np

146, 210

2

164

n

pq

not-m

90, 94, 150, 154, 158, 214, 218, 222

8

165

n

m

no conclusion

74, 78, 130, 134, 138, 142, 194, 198, 202, 206

10

166

n

n

n

130, 146, 194, 210

4

167

n

p

not-m

90, 94, 146, 150, 154, 158, 210, 214, 218, 222

10

168

n

q

no conclusion

74, 78, 90, 94, 134, 138, 142, 150, 154, 158, 198, 202, 206, 214, 218, 222

16

171

p

mn

p

194, 196

2

172

p

mq

no conclusion