NOTE:

"[C] P(%xm)" is just a notation for %xm:XM. P(%xm)

	No other cites to report in MarkB_generic
xmiddle	Def XM == P:Prop. Dec(P)
	Thm* XM{i} Prop{i'}
decidable	Def Dec(P) == P P
	Thm* A:Prop. Dec(A) Prop
not	Def A == A False
	Thm* A:Prop. (A) Prop

Syntax:

XM

has structure:

xmiddle{i:l}

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