logo

Expression of type ExprTuple

from the theory of proveit.numbers.division

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 ExprTuple, a, b, c, d
from proveit.numbers import Add, Exp, Mult, Neg, frac, one
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Neg(one)
sub_expr2 = Mult(Add(a, b, c), b)
expr = ExprTuple(frac(sub_expr2, Mult(a, d)), Mult(sub_expr2, Mult(Exp(a, sub_expr1), Exp(d, sub_expr1))))
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(\frac{\left(a + b + c\right) \cdot b}{a \cdot d}, \left(\left(a + b + c\right) \cdot b\right) \cdot \left(a^{-1} \cdot d^{-1}\right)\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 3
operands: 4
2Operationoperator: 11
operands: 5
3Literal
4ExprTuple7, 6
5ExprTuple7, 8
6Operationoperator: 11
operands: 9
7Operationoperator: 11
operands: 10
8Operationoperator: 11
operands: 12
9ExprTuple23, 24
10ExprTuple13, 21
11Literal
12ExprTuple14, 15
13Operationoperator: 16
operands: 17
14Operationoperator: 19
operands: 18
15Operationoperator: 19
operands: 20
16Literal
17ExprTuple23, 21, 22
18ExprTuple23, 25
19Literal
20ExprTuple24, 25
21Variable
22Variable
23Variable
24Variable
25Operationoperator: 26
operand: 28
26Literal
27ExprTuple28
28Literal