# question
push_ontology("english")
def concept q from q ? as question(q) pre is_question()
set_is_lesser(__PRECEDENCE, q, 'Sya')
set_auto_eval(c:q:)

def concept "x is a concept" as isinstance(x, Concept) pre is_question()

# is a
def concept x is a y as set_isa(x, y)
set_auto_eval(c:x is a y:)
def concept x is an y as set_isa(x, y)
set_auto_eval(c:x is an y:)
def concept x is a y as isa(x,y) pre is_question()
# no need to auto eval as it's a question
def concept x is an y as isa(x,y) pre is_question()
# no need to auto eval as it's a question


# has a
def concept x has a y as set_hasa(x, y)
set_auto_eval(c:x has a y:)
def concept x has an y as set_hasa(x, y)
set_auto_eval(c:x has an y:)
def concept x has a y as hasa(x,y) pre is_question()
# no need to auto eval as it's a question
def concept x has an y as hasa(x,y) pre is_question()
# no need to auto eval as it's a question

def concept x and y as x and y pre is_question()
set_is_lesser(__PRECEDENCE, c:x and y:, 'Sya')
set_is_less_than(__PRECEDENCE, c:q:, c:x and y:, 'Sya')

def concept x or y as x or y pre is_question()
set_is_lesser(__PRECEDENCE, c:x or y:, 'Sya')
set_is_greater_than(__PRECEDENCE, c:x and y:, c:x or y:, 'Sya')
set_is_less_than(__PRECEDENCE, c:q:, c:x or y:, 'Sya')

# default
def concept male
def concept female
def concept man
man is a male
def concept woman
woman is a female
def concept human
man is a human
woman is a human

# days of the week
def concept monday
def concept tuesday
def concept wednesday
def concept thursday
def concept friday
def concept saturday
def concept sunday