The for (going up) Macro Instruction
نویسنده
چکیده
The following propositions are true: (1) Let X be a set, p be a permutation of X, and x, y be elements of X. Then p +· (x, p(y)) +· (y, p(x)) is a permutation of X. (2) Let f be a function and x, y be sets. Suppose x ∈ dom f and y ∈ dom f. Then there exists a permutation p of dom f such that f +· (x, f(y)) +· (y, f(x)) = f · p. Let X be a finite non empty subset of R. The functor minX yielding a real number is defined by:
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x / 98 07 03 2 v 1 3 1 Ju l 1 99 8 The Observation of Up - going Charged Particles Produced by High Energy Muons in Underground Detectors The MACRO
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