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Expression of type ExprTuple

from the theory of proveit.numbers.addition

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, Mult, frac
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Add(frac(a, b), frac(c, d)), frac(Add(Mult(a, d), Mult(b, c)), Mult(b, d)))
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{a}{b} + \frac{c}{d}, \frac{\left(a \cdot d\right) + \left(b \cdot c\right)}{b \cdot d}\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: 12
operands: 3
2Operationoperator: 10
operands: 4
3ExprTuple5, 6
4ExprTuple7, 8
5Operationoperator: 10
operands: 9
6Operationoperator: 10
operands: 11
7Operationoperator: 12
operands: 13
8Operationoperator: 18
operands: 14
9ExprTuple20, 22
10Literal
11ExprTuple23, 21
12Literal
13ExprTuple15, 16
14ExprTuple22, 21
15Operationoperator: 18
operands: 17
16Operationoperator: 18
operands: 19
17ExprTuple20, 21
18Literal
19ExprTuple22, 23
20Variable
21Variable
22Variable
23Variable