Advanced Formal Logic Flashcards
Figure
The disposition(location) of terms is the premises
1st figure
Sub-prae:
M is p
S is m
Therefore, s is p
2nd figure
Prae-prae
P is m
S is m
Therefore, s is p
3rd figure
Sub-sub
M is p
M is s
Therefore, s is p
4th(Galenic figure)
Prae- sub
P is m
S is m
Therefore, s is p
Latin mnemonic saying for figures
Sub-Prae prima, bis prae secunda, tertia sub bis.
Mood
The disposition of premises according to their quality and quantity.
I.e:
A: all s is m
A: all m is p
(Because the two premises are a statements, its mood is AA)
A: Therefore, all s is p
Number of total and valid moods
64 total moods, 19 valid moods
Latin Mnemonic devise for valid moods and correct reduction
1st fig: [Barbara, Celarent, Darri, Ferio-que prioris,
2nd fig: [Cesare, Camestres, Festino, Baroco, secundae
3rd fig: [tertia Darapti, Disamis, Datisi, Felapton, Bocardo, Ferison habet
4th fig: [Quarta insuper addit Bramantip, Camenes, Dimaris, Fesapo, Fresison