The article is an attempt to present the overall consideration on God, which is, in a sense, the core of Jerzy Perzanowski's philosophical theory. Although a number of issues are considered, the most attention is paid to Perzanowski's critical analysis of some well-known ontological arguments and to the presentation of his own version of the argument.
A critical analysis of Perzanowski’s attempt to develop an ontological argument based on the degree of reality shows that the comprehension axiom needs to be reinforced and that the family of all perfections is logically closed. This means that the P6 axiom is unnecessary. Moreover, the replacement of the reduction axiom by a strengthened instantiation axiom increases the number of degrees of reality and the class of consistent sets of qualities.
In the paper we present Jerzy Perzanowski`s combination ontology and combination ontologic. Ontologic is a logic of the ontic realm. We use it to define a number of ontological notions: ontological foundation, necessity, situation, possible world, ontological generator, ontological space and others. We also define the properties of the ontological space: density and connectedness. Moreover, we attempt to formulate the ontological principle of sufficient reason in the language of combination ontology. At the end of the paper we present sample problems whose solution gives a better understanding of combination ontologic. These problems show the power of expression of combination ontologic.
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