logo

Expression of type ExprTuple

from the theory of proveit.numbers.multiplication

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, n
from proveit.numbers import Add, Exp, Mult, five, four, frac, one, three, two
In [2]:
# build up the expression from sub-expressions
sub_expr1 = frac(one, five)
expr = ExprTuple(Mult(four, Exp(three, n), Exp(four, n), two, three, sub_expr1), Mult(two, sub_expr1, Exp(four, Add(one, n)), Exp(three, Add(n, one))))
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(4 \cdot 3^{n} \cdot 4^{n} \cdot 2 \cdot 3 \cdot \frac{1}{5}, 2 \cdot \frac{1}{5} \cdot 4^{1 + n} \cdot 3^{n + 1}\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
3ExprTuple20, 6, 7, 8, 22, 9
4Literal
5ExprTuple8, 9, 10, 11
6Operationoperator: 17
operands: 12
7Operationoperator: 17
operands: 13
8Literal
9Operationoperator: 14
operands: 15
10Operationoperator: 17
operands: 16
11Operationoperator: 17
operands: 18
12ExprTuple22, 27
13ExprTuple20, 27
14Literal
15ExprTuple28, 19
16ExprTuple20, 21
17Literal
18ExprTuple22, 23
19Literal
20Literal
21Operationoperator: 25
operands: 24
22Literal
23Operationoperator: 25
operands: 26
24ExprTuple28, 27
25Literal
26ExprTuple27, 28
27Variable
28Literal