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Expression of type And

from the theory of proveit.numbers.absolute_value

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, b, c
from proveit.logic import And, InSet
from proveit.numbers import LessEq, Real
In [2]:
# build up the expression from sub-expressions
expr = And(InSet(a, Real), InSet(b, Real), InSet(c, Real), And(LessEq(b, a), LessEq(a, c)).with_total_ordering_style())
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(b \in \mathbb{R}\right) \land \left(c \in \mathbb{R}\right) \land \left(b \leq a \leq c\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: 10
operands: 1
1ExprTuple2, 3, 4, 5
2Operationoperator: 8
operands: 6
3Operationoperator: 8
operands: 7
4Operationoperator: 8
operands: 9
5Operationoperator: 10
operands: 11
6ExprTuple19, 12
7ExprTuple18, 12
8Literal
9ExprTuple20, 12
10Literal
11ExprTuple13, 14
12Literal
13Operationoperator: 16
operands: 15
14Operationoperator: 16
operands: 17
15ExprTuple18, 19
16Literal
17ExprTuple19, 20
18Variable
19Variable
20Variable