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devel / comp.lang.prolog / ************** COMPILED PROLOG TRACE ****************** friendOfNiece( FFF )

************** COMPILED PROLOG TRACE ****************** friendOfNiece( FFF )

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Subject: ************** COMPILED PROLOG TRACE ******************
friendOfNiece( FFF )
From: grahamcooper7@gmail.com (Graham Cooper)
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by: Graham Cooper - Thu, 27 Apr 2023 09:39 UTC

********************* DATA ************************
bro tom brad
friend brad fredy
bro tom bill *
friend bill fry
friend fry fryfry
rich gaga
pretty gaga
daughter brad shelly
friend dob ellen *
daughter bill dob *

******************** PROGRAMS ******************

sibling AA BB
bro AA BB

nees P N
sibling P S
daughter S N

fonees X Y
nees X N
friend N Y

********************* TRACE **********************

ENGINE 0 1 fon tom FFF
fon tom FFF
fon P F

ANS2 2
fon -- fon
tom -- P
FFF -- F
ENGINE 2 1 niece P N
niece P N
niece P NIECE

ANS2 1
niece -- niece
P -- P
N -- NIECE
ENGINE 1 1 bro P BRO
bro P BRO
bro guy brotha

ANS2 12

d*1*1---
ENGINE 1 2 daughter BRO NIECE
daughter BRO NIECE
daughter bill dob

ANS2 23

d*1*1---d*1*2---
ENGINE 2 2 friend N F
friend N F
friend brad fredy

ANS2 15

d*1*1---d*1*2---d*2*2---
STACK3UPTO1
HERE0
> P = tom
bro tom BRO
bro tom brad

BRO << brad
UPTO2
HERE0
> BRO = brad
> NIECE = N
daughter brad N
daughter brad dooby

N << dooby
UPTO3
HERE0
> N = dooby
> F = FFF
friend dooby FFF

UPTO2
HERE0
> NIECE = N
daughter BRO N
daughter bill dob

BRO << bill
N << dob
UPTO3
HERE0
> N = dob
> F = FFF
friend dob FFF
friend dob ellen

FFF << ellen

YES

Subject	Author
************ COMPILED PROLOG TRACE ****************	Graham Cooper