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Totologi and withdrawal conclusion

> Every single statement certainly has a value of truth, that is True or False.
> Totologi can be expressed as a function of constant value with the truth contradictions have only one end result.

Some examples totologi
1. Law of Detachement
p & (p => q) => q
2. Mode Tollendo Tollens
-q & (p => q) =>-p
3. Mode Tollendo ponens
(p V q) &-p => q
4. Rules simplification
p & q => p
p & q => q
5. Rules mortgages syllogism
(p => q) & (q => r) => (p => r)
6. Rules contradiction
- (p &-p)
7. Law of Excluded Middle
p V -p

Friday, 9 January 2009 I and my friend, Dindha sit together to carry out a given task. This task given by the lecturers who teach the English language subject. So the task is surely to use the English language. This time I dindha and get a job to explain the subjects of mathematics using the English language. I explain about the withdrawal dindha conclusion in logic. 1 semester because we have only just learn so little, and I explain gave him problems.

Exercise:
- If the glasses have on table my kitchen, and I certainly have seen when a full breakfast
- I read the newspaper in the living room or I read it in the kitchen
- If I read the newspaper in the room, then surely my place the glasses on the table guests
- I do not see my glasses at the time of breakfast
- If I read the newspaper in the kitchen, the glasses in my kitchen table

Specify the location this glasses!
Only take 15 minutes dindha already completed the earlier question and answer correctly.
Answer:

Example:
My glasses on the kitchen table (a)
I have seen when a full breakfast (b)
I read the newspaper in the room (c)
I read it in the kitchen (d)
I put my glasses on the table guests (e)

1. a => b premis
2. c V d premis
3. c => e premis
4. –b premis
5. d => a premis
6. –b => -a (1t)
7. –a (4,6t)
8. –a => -d (5t)
9. –d (7,8t)
10. –c => d (2t)
11. –d => c (2t)
12. c (9,11t)

From the premises to-3 When I read the newspaper in the guest room, then surely my place glasses on the table front. So conclusion glasses are on the table because the room he read the newspaper conclusion on guests room.
When we are probably still the very poor. we are vocabulary still a lot less. But hopefully this is the beginning right to carry the future .. thank guidance on Bp. Marsigit M.A for this ....

Reference: "Logika Dan Himpunan Matematika" By Sukirman, M.Pd.

Partner : Dinda Putra Tanjung