Like any judgment, the conclusion can be true and false. But that and another is defined here, as well as in difficult judgments, directly the relation not to reality, and first of all to parcels and their communication.
Conclusion: in the presence of substantial communication between parcels we can receive in the course of a reasoning new true knowledge at observance of two conditions: first, there have to be true initial judgments - conclusion parcels; secondly, in the course of a reasoning it is necessary to follow rules of a conclusion which cause formal correctness of conclusion.
General rules of a simple categorical syllogism. Creation of a simple categorical syllogism submits to a number of the general rules without which observance even from true parcels it is impossible with logical need to receive the true decision. In total such rules seven: three of them are rules of terms, and four - rules of parcels.
Any conclusion consists of parcels, the conclusion and a conclusion. Initial known judgments from which the new judgment is output are called as parcels of conclusions. The new judgment received in the logical way from parcels is called as the conclusion. Logical transition that of parcels to the conclusion is called as a conclusion.
Each of extreme terms enters not only in summary, but also one of parcels. The parcel which includes the smaller term, is called as a bigger parcel. In our example the first judgment, smaller - the second judgment will be a bigger parcel.
Here one of parcels the false. That is why a certain conclusion cannot be made. And about that, the correct structure of conclusion is how important, the playful example, known in the logician, when the conclusion follows from both true parcels the ridiculous testifies:
Along with division of conclusions on severity of a conclusion the importance has their classifications by an orientation of logical following, i.e. by the nature of communication between knowledge of various degree of a community expressed in parcels and the conclusion. From this point of view distinguish three types of conclusions: deductive (that of the general knowledge to private), inductive (from private knowledge to the general), conclusions by analogy (from private knowledge to private).