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At: sum via intseg split last

  a,b:e:({a..b}).
  a<b  ( i:{a..b}. e(i)) = ( i:{a..b-1}. e(i))+e(b-1)


By: Inst: 
Thm*  f:(AAA), u:Aa,b:e:({a..b}A).
Thm*  a<b
Thm*  
Thm*  (Iter(f;ui:{a..b}. e(i)) = f((Iter(f;ui:{a..b-1}. e(i)),e(b-1))
Using:[A:=  | f:= x,yx+y | 0]
THEN
Reduce Hyp:-1


Generated subgoals:

None

About:
intnatural_numberaddsubtractless_thanlambdaapply
functionuniverseequalimpliesall
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PrintForm Definitions Lemmas IteratedBinops Sections DiscrMathExt Doc