logo

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
from proveit.numbers import Add, Mult, three, two
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Add(a, b, c, a, b, a, c), Add(Mult(three, a), Mult(two, b), Mult(two, c)))
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 + b + c + a + b + a + c, \left(3 \cdot a\right) + \left(2 \cdot b\right) + \left(2 \cdot c\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: 4
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple14, 15, 17, 14, 15, 14, 17
4Literal
5ExprTuple6, 7, 8
6Operationoperator: 11
operands: 9
7Operationoperator: 11
operands: 10
8Operationoperator: 11
operands: 12
9ExprTuple13, 14
10ExprTuple16, 15
11Literal
12ExprTuple16, 17
13Literal
14Variable
15Variable
16Literal
17Variable