英语翻译1、if there is a mapping of the natural numbers onto a set u(not necessarily one-to-one),then u is either finite or countable.2、the existential-universal implies the universal-existential but not vice versa; the universal-existential i
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![英语翻译1、if there is a mapping of the natural numbers onto a set u(not necessarily one-to-one),then u is either finite or countable.2、the existential-universal implies the universal-existential but not vice versa; the universal-existential i](/uploads/image/z/14382709-61-9.jpg?t=%E8%8B%B1%E8%AF%AD%E7%BF%BB%E8%AF%911%E3%80%81if+there+is+a+mapping+of+the+natural+numbers+onto+a+set+u%28not+necessarily+one-to-one%29%2Cthen+u+is+either+finite+or+countable.2%E3%80%81the+existential-universal+implies+the+universal-existential+but+not+vice+versa%3B+the+universal-existential+i)
英语翻译1、if there is a mapping of the natural numbers onto a set u(not necessarily one-to-one),then u is either finite or countable.2、the existential-universal implies the universal-existential but not vice versa; the universal-existential i
英语翻译
1、if there is a mapping of the natural numbers onto a set u(not necessarily one-to-one),then u is either finite or countable.
2、the existential-universal implies the universal-existential but not vice versa; the universal-existential is equivalent to asserting the existence of a function from the domain of the universally quantified variable to the domain of the existentially quantified variable.
英语翻译1、if there is a mapping of the natural numbers onto a set u(not necessarily one-to-one),then u is either finite or countable.2、the existential-universal implies the universal-existential but not vice versa; the universal-existential i
设有一个自然数集映射到一个集合U(不必是一一对映的)上,那么U要么是有限的,或者是可数的.
existential-universal的意思是universal-existential而不是相反,universal-existential等价于存在函数,其值域从universally quantified variable到existentially quantified variable
数学翻译啊,那几个专有名词不清楚对应哪个.