label("Hunters and Gatherers | Timescale:one day 300.000 yrs ago | Anthropology, Archaeology, Paleogenetics | DAG").

% facts
safe("socio-cognitive niche").
ecology(provision,affluent).
communication(face_to_face,transparent).
composition(fluid).
high(assortative_mixing).
containing("kin and non kin").
members("chosen by both genders").
cooperative(action).
having(bows,arrows).
include(male,female).
uses(primitive,tools).
depending_on(place,season).
portable_to(camp).
using(needle,thread). 
fire(roasted,meat,fish).
fire(cooked,pottery).
motivation(sharing).
for(family_provision).
for(skill_signaling).
reducing(individual_risk).
underpinning(egaliatarism).
inequality(aversion).
active("Inverse Dominance Hierarchy").
guarding(egalitarianism).
playing_singing_dancing.
metaknowledge.
It is not enough to know how to act in a given situation; individuals need to know that others also know how to act.
url("./pics/Band.html").
url("./txt/Plan.html").
url("./pics/Activity_Groups.html").
url("./txt/Composing.html").
url("./pics/Hunters.html").
url("./pics/Gatherers.html").
url("./txt/CHunting.html").
url("./txt/CGathering.html").
url("./pics/Harvest.html").
url("./pics/Looted.html").
url("./pics/Booty.html").
url("./txt/Skinning.html").
url("./pics/Digestible.html").
url("./pics/Clothes.html").
url("./txt/Roasting.html").
url("./txt/Sewing.html").
url("./txt/Cooking.html").
url("./txt/Sharing.html").
url("./pics/Diet.html").
url("./txt/Eat_and_Talk.html").
url("./txt/Take_Rest.html").
url("./pics/Direct_Democracy.html").
url("./pics/Leasure.html").
url("./txt/Recovering.html").
url("./txt/Story_Telling.html").
url("./pics/Stories_Content.html").

% rules

prove :-
	planning(group,activities),
	equip(group,hunters),
	equip(group,gatherers),
	hunting(animals,fish,shells),
	collecting(fruits,seeds,tubers),
	skin_and_slaughter(killed,animals),
	sewing(clothes),
	roast(meat,fish),
	prepare(fruits,seeds,tubers),
	share(roasted,meat),
	share(prepared,fruits,seeds,tubers),
	eat_listen_and_talk,
    take_rest_and_enjoy,
	telling_stories,
	recovering.
planning(group,activities) :-
	url("./txt/Plan.html"),
	hunters_gatherers(nomadic,band),
	activity(groups).
equip(group,hunters) :-
	url("./txt/Composing.html"),
	activity(groups),
	hunters(group).
equip(group,gatherers) :-
	url("./txt/Composing.html"),
	activity(groups),
	gatherers(group).
hunting(animals,fish,shells) :-
	url("./txt/CHunting.html"),
	hunters(group),
	harvest(animals,fish,shells).
collecting(fruits,seeds,tubers) :-
	url("./txt/CGathering.html"),
	gatherers(group),
	harvest(fruits,seeds,tubers).
skin_and_slaughter(killed,animals) :-
	url("./txt/Skinning.html"),
	harvest(animals,fish,shells),
	booty(bones,meat,hides).
sewing(clothes) :-
	url("./txt/Sewing.html"),
	booty(bones,meat,hides),
	clothes(sewed,hides).
roast(meat,fish) :-
	url("./txt/Roasting.html"),
	booty(bones,meat,hides),
	digestible(meat,fish,shells).
prepare(fruits,seeds,tubers) :-
	url("./txt/Cooking.html"),
	harvest(fruits,seeds,tubers),
	digestible(fruits,seeds,tubers).
share(roasted,meat) :-
	url("./txt/Sharing.html"),
	digestible(meat,fish,shells),
	daily(shared,meal).
share(prepared,fruits,seeds,tubers) :-
	url("./txt/Sharing.html"),
	digestible(fruits,seeds,tubers),
	daily(shared,meal).
eat_listen_and_talk :-
	url("./txt/Eat_and_Talk.html"),
	daily(shared,meal),
	practicing("Direct Democrcy").
take_rest_and_enjoy :-
	url("./txt/Take_Rest.html"),
	practicing("Direct Democrcy"),
	leisure.
telling_stories :-
	url("./txt/Story_Telling.html"),
	leisure,
	stories(content).
recovering :-
	url("./txt/Recovering.html"),
	stories(content),
	hunters_gatherers(nomadic,band).
hunters_gatherers(nomadic,band) :-
	url("./pics/Band.html"),
	communication(face_to_face,transparent),
	safe("socio-cognitive niche").
activity(groups) :-
	url("./pics/Activity_Groups.html"),
	members("chosen by both genders"),
	composition(fluid),
	high(assortative_mixing),
	containing("kin and non kin"),
	cooperative(action).
hunters(group) :-
	url("./pics/Hunters.html"),
	having(bows,arrows),
	containing("kin and non kin"),
	include(male,female).
gatherers(group) :-
	url("./pics/Gatherers.html"),
	uses(primitive,tools),
	containing("kin and non kin"),
	include(male,female).
harvest(fruits,seeds,tubers) :-
	url("./pics/Harvest.html"),
	ecology(provision,affluent),
	depending_on(place,season).
harvest(animals,fish,shells) :-
	url("./pics/Looted.html"),
	ecology(provision,affluent),
	depending_on(place,season).
booty(bones,meat,hides) :-
	url("./pics/Booty.html"),
	portable_to(camp).
clothes(sewed,hides) :-
	url("./pics/Clothes.html"),
	using(needle,thread). 
digestible(meat,fish,shells) :-
	url("./pics/Digestible.html"),
	fire(roasted,meat,fish).
digestible(fruits,seeds,tubers) :-
	url("./pics/Digestible.html"),
	fire(cooked,pottery).
daily(shared,meal) :- 
	url("./pics/Diet.html"),
	motivation(sharing),
	for(family_provision),
	for(skill_signaling),
	reducing(individual_risk),
	underpinning(egaliatarism).
practicing("Direct Democrcy") :-
	url("./pics/Direct_Democracy.html"),
	inequality(aversion),
	active("Inverse Dominance Hierarchy"),
	guarding(egalitarianism).    
leisure :-
	url("./pics/Leasure.html"),
	playing_singing_dancing.
stories(content) :-
	url("./pics/Stories_Content.html"),
	metaknowledge,
	It is not enough to know how to act in a given situation; individuals need to know that others also know how to act.