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Expression of type Less

from the theory of proveit.numbers

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, d, x, y
from proveit.numbers import Add, Less, Mult
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Add(b, c)
sub_expr2 = Add(c, y)
expr = Less(Add(Mult(Add(d, b), sub_expr1), Mult(Add(y, d), sub_expr2)), Add(Mult(Add(a, b), sub_expr1), Mult(Add(x, a), sub_expr2)))
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(\left(\left(d + b\right) \cdot \left(b + c\right)\right) + \left(\left(y + d\right) \cdot \left(c + y\right)\right)\right) < \left(\left(\left(a + b\right) \cdot \left(b + c\right)\right) + \left(\left(x + a\right) \cdot \left(c + y\right)\right)\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',)
directionDirection of the relation (normal or reversed)normalnormal('with_direction_reversed', 'is_reversed')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 27
operands: 5
4Operationoperator: 27
operands: 6
5ExprTuple7, 8
6ExprTuple9, 10
7Operationoperator: 14
operands: 11
8Operationoperator: 14
operands: 12
9Operationoperator: 14
operands: 13
10Operationoperator: 14
operands: 15
11ExprTuple16, 19
12ExprTuple17, 21
13ExprTuple18, 19
14Literal
15ExprTuple20, 21
16Operationoperator: 27
operands: 22
17Operationoperator: 27
operands: 23
18Operationoperator: 27
operands: 24
19Operationoperator: 27
operands: 25
20Operationoperator: 27
operands: 26
21Operationoperator: 27
operands: 28
22ExprTuple29, 30
23ExprTuple34, 29
24ExprTuple32, 30
25ExprTuple30, 33
26ExprTuple31, 32
27Literal
28ExprTuple33, 34
29Variable
30Variable
31Variable
32Variable
33Variable
34Variable