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Expression of type And

from the theory of proveit.numbers.exponentiation

In [1]:
import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit import a, x, y
from proveit.logic import And, InSet
from proveit.numbers import Less, Real, greater_eq, zero
In [2]:
# build up the expression from sub-expressions
expr = And(InSet(a, Real), InSet(x, Real), InSet(y, Real), And(Less(zero, x), Less(x, y)).with_total_ordering_style(), greater_eq(a, zero))
expr:
In [3]:
# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")
Passed sanity check: expr matches stored_expr
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(stored_expr.latex())
\left(a \in \mathbb{R}\right) \land \left(x \in \mathbb{R}\right) \land \left(y \in \mathbb{R}\right) \land \left(0 < x < y\right) \land \left(a \geq 0\right)
In [5]:
stored_expr.style_options()
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', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 11
operands: 1
1ExprTuple2, 3, 4, 5, 6
2Operationoperator: 9
operands: 7
3Operationoperator: 9
operands: 8
4Operationoperator: 9
operands: 10
5Operationoperator: 11
operands: 12
6Operationoperator: 13
operands: 14
7ExprTuple18, 15
8ExprTuple23, 15
9Literal
10ExprTuple24, 15
11Literal
12ExprTuple16, 17
13Literal
14ExprTuple22, 18
15Literal
16Operationoperator: 20
operands: 19
17Operationoperator: 20
operands: 21
18Variable
19ExprTuple22, 23
20Literal
21ExprTuple23, 24
22Literal
23Variable
24Variable