Nuprl - Proof: and via all intseg split last

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At: and via all intseg split last

a,b:

, P:({a..b

}

Prop).

a<b

((

i:{a..b

}. P(i))

(

i:{a..(b-1)

}. P(i)) & P(b-1))

By:	UnivCD THEN Inst: Thm* a,b:, P:({a..b}Prop). Thm* a<b Thm* Thm* (c:. b = c+1 ((i:{a..b}. P(i)) (i:{a..c}. P(i)) & P(c))) Using:[a \| b \| P \| b-1]

Generated subgoals:

None

About:

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PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc