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In [1]:
import proveit
# Automation is not needed when only building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_axiom_expr # Load the stored axiom expression as 'stored_expr'
# import the special expression
from proveit.numbers.number_sets.natural_numbers import zero_in_nats
In [2]:
# check that the built expression is the same as the stored expression
assert zero_in_nats.expr == stored_expr
assert zero_in_nats.expr._style_id == stored_expr._style_id
print("Passed sanity check: zero_in_nats matches stored_expr")
Passed sanity check: zero_in_nats matches stored_expr
In [3]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(zero_in_nats.latex())
\vdash 0 \in \mathbb{N}
In [4]:
zero_in_nats.style_options()
Out[4]:
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()()('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
In [5]:
# display the expression information
zero_in_nats.expr_info()
Out[5]:
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Literal
4Literal