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At: quotient of nsubn 1 1

1. E: 11Prop
2. EquivRel x,y:1. x E y
3. x,y:1. Dec(x E y)

m:(1+1). m ~ (i,j:1//(i E j))

By: InstConcl [1]

Generated subgoal:

1 1 ~ (i,j:1//(i E j))


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existsnatural_numberaddquotientfunctionpropall