diff --git a/part1.pl b/part1.pl
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--- /dev/null
+++ b/part1.pl
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+%% from /game/media/storage-sshfs/all/[Des_Conway]_The_Home_Security_Handbook(b-ok.org).pdf
+
+physicalSecurity :-
+	Definitions = [
+		       'vulnerability is the vector by which a threat harms us',
+		       'threat is any occurrence that causes harm',
+		       'risk is extent of exposure to threats',
+		       'impact of a threat is a a measure of the damage sustained if the threat happens',
+		       'likelihood is the frequency of the exposure to a threat',
+		       'countermeasure is something that can be done to improve safety and security'
+		      ].
+
+genls([impact,likelihood],risk).
+genls([vulnerability,threat,risk],item).
+genls([person,property,facility],target).
+
+%% isa(V,vulnerability).
+%% isa(T,threat).
+%% hasThreat(V,T).
+argIsa(hasThreat/2,1,vulnerability).
+argIsa(hasThreat/2,2,threat).
+
+%% isa(L,likelihood).
+%% hasRisk(T,likelihood(L)).
+%% isa(I,impact).
+%% hasRisk(T,impact(I)).
+argIsa(hasRisk/2,1,threat).
+argIsa(hasRisk/2,2,risk).
+
+%% isa(Pe,person).
+%% isa(Pr,property).
+%% isa(F,facility).
+%% isExposedToThreat(Pe,T).
+%% isExposedToThreat(Pr,T2).
+%% isExposedToThreat(F,T3).
+argIsa(isExposedToThreat/2,1,target).
+argIsa(isExposedToThreat/2,2,threat).
+
+
+increaseCausally(done(C,E),and(safety(S),security(S))) :-
+	isa(C,countermeasure),
+	appliesTo(C,S).
+
+%% hasCountermeasure(V,C).
+%% hasCountermeasure(T,C).
+%% hasCountermeasure(L,C).
+%% hasCountermeasure(I,C).
+argIsa(hasCountermeasure/2,1,item).
+argIsa(hasCountermeasure/2,2,countermeasure).
+
+
+hasCountermeasureTypes(T,[
+			  ignoreItHopeItGoesAway,
+			  takeActionTo(reduce,L,A),
+			  takeActionTo(reduce,I,A),
+			  takeActionTo(avoid,L,A),
+			  takeActionTo(avoid,I,A),
+			  takeActionTo(remove,T,A)
+			 ]).
+
+hasCountermeasure(T,C).
+isa(R,reason).
+neg(isAppropriate(C,T,R)).
+neg(isAcceptable(C,T,R)).
+
+moreAcceptableThan(C1,C2).
+moreSensibleThan(C1,C2).
+
+isUnrealistic(C,T).
+isFoolhardy(C,T).
+
+courseOfAction.
+
+genls([additionalThreat,modifiedThreat],threat).
+
+arg2Isa(hasAdditionalThreat/2,additionalThreat).
+isa(AdditionalThreat,additionalThreat) :-
+	 foreach(member(Threat,Threats),isa(Threat,threat)),
+	 SetOfThreats = setFn(Threats),
+	 hasAdditionalThreat(SetOfThreats,AdditionalThreat),
+	 isa(AdditionalThreat,threat).
+
+arg2Isa(hasModifiedThreat/2,modifiedThreat).
+isa(ModifiedThreat,modifiedThreat) :-
+	 foreach(member(Threat,Threats),isa(Threat,threat)),
+	 SetOfThreats = setFn(Threats),
+	 hasModifiedThreat(SetOfThreats,ModifiedThreat),
+	 isa(ModifiedThreat,threat).
+
+hasCircumstances(Pe,Circumstances) :-
+	foreach(member(Circumstance,Circumstances),isa(Circumstances,circumstance)).
+
+hasPrimaryObjective(User,
+		    [
+		     findall(X,genls(X,threat),SortsOfThreats),
+		     'recognize all additional and/or modified threats to which we are vulnerable due to our circumstances'
+		     %% foreach(SetOfThreats,(isa(SetOfThreats,setTFn(
+		     ]).
+
diff --git a/to.do b/to.do
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+(This is a course I put together in 1 hour, it's going to look that way :)
+(it's looking like a shallow survey course on different topics in KRR)
+
+(https://dai.fmph.uniba.sk/~sefranek/kri/handbook/handbook_of_kr.pdf)
+(https://www.cin.ufpe.br/~mtcfa/files/in1122/Knowledge%20Representation%20and%20Reasoning.pdf)
+(https://www.seas.upenn.edu/~cis700dr/Spring19/slides/Lec3-R-1-30-2019.pdf)
+
+(introduction to logic ltl
+ (https://www.math.ucla.edu/~ynm/lectures/lnl.pdf)
+ )
+(logic)
+(proof theory
+ (proofs that the square root of 2 is irrational)
+ )
+(set theory)
+(tarskian semantics)
+(model theory)
+(modal logic)
+(defeasible logic)
+(epistemic logic)
+(autoepistemic logic
+ (assert <I do not know Phi>)
+ (assert <Phi>)
+ (must therefore retract <I do not know Phi>)
+ )
+(event calc)
+(sit calc)
+(fluent calc
+ (FLUX
+  (https://github.com/aindilis/flux-frdcsa)
+  )
+ )
+(temporal logic
+ (PDDL 2.2 strips/adl)
+ )
+(logic forms
+ (free logic form)
+ )
+(neodavidsonian logic forms
+ (http://www.coli.uni-saarland.de/courses/incsem-12/neodavidsonian.pdf)
+ )
+(computational semantics
+ (candc-tools)
+ )
+
+(Some prolog KRR programs
+ (shanahan.pl Murray Shanahan's Abductive Event Calculus reasoner)
+ (pttp.pl PTTP Prolog Technology Theorem Prover)
+ (Robert Sasak's: Prolog PDDL parser and planner
+  (https://github.com/RobertSasak/Prolog-Planning-Library)
+  )
+ (Marty's Interactive Fiction Engine
+  (https://github.com/logicmoo/logicmoo_nlu/blob/master/prolog/marty_white/README.md)
+  )
+ (mprolog - modal logic)
+ )
+
+(PrologCYC
+ 
+ )
+
+(commonsense reasoning
+ (https://www.seas.upenn.edu/~cis700dr/Spring19/)
+ (FraCaS
+  (https://nlp.stanford.edu/~wcmac/downloads/fracas.xml)
+
+  )
+ )
+
+(natural language processing
+
+ )
+
+(formal verification)
+
+(LogicMOO
+ ()
+ )
+
+(Risk Ontology
+ (part1.pl)
+ )
+
+(MegaMath
+
+ )