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 ExprRange, ExprTuple, IndexedVar, Variable, a, b, c, m
from proveit.core_expr_types import a_1_to_n
from proveit.numbers import Add, Neg, one, subtract
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = ExprTuple(Add(ExprRange(sub_expr1, IndexedVar(a, sub_expr1), one, m), b), subtract(Neg(c), Add(a_1_to_n)))
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_{1} +  a_{2} +  \ldots +  a_{m} + b, -c - \left(a_{1} +  a_{2} +  \ldots +  a_{n}\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: 15
operands: 3
2Operationoperator: 15
operands: 4
3ExprTuple5, 6
4ExprTuple7, 8
5ExprRangelambda_map: 18
start_index: 19
end_index: 9
6Variable
7Operationoperator: 11
operand: 13
8Operationoperator: 11
operand: 14
9Variable
10ExprTuple13
11Literal
12ExprTuple14
13Variable
14Operationoperator: 15
operands: 16
15Literal
16ExprTuple17
17ExprRangelambda_map: 18
start_index: 19
end_index: 20
18Lambdaparameter: 24
body: 21
19Literal
20Variable
21IndexedVarvariable: 22
index: 24
22Variable
23ExprTuple24
24Variable