Arithmetic of Non-Negative Rational Numbers1
نویسنده
چکیده
Let us observe that there exists an ordinal number which is non empty and natural. Let a be a natural ordinal number. Note that succa is natural. The scheme Omega Ind concerns a unary predicate P , and states that: For every natural ordinal number a holds P [a] provided the following conditions are met: • P [ / 0], and • For every natural ordinal number a such that P [a] holds P [succa]. Let a, b be natural ordinal numbers. One can verify that a+b is natural. The following proposition is true
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تاریخ انتشار 1998