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Expression of type ExprTuple

from the theory of proveit.numbers.modular

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, L, b
from proveit.core_expr_types import a_1_to_i, c_1_to_j
from proveit.numbers import Add, Mod, ModAbs
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(ModAbs(Add(a_1_to_i, Mod(b, L), c_1_to_j), L), ModAbs(Add(a_1_to_i, b, c_1_to_j), L))
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(\left|a_{1} +  a_{2} +  \ldots +  a_{i} + \left(b ~\textup{mod}~ L\right)+ c_{1} +  c_{2} +  \ldots +  c_{j}\right|_{\textup{mod}\thinspace L}, \left|a_{1} +  a_{2} +  \ldots +  a_{i} + b+ c_{1} +  c_{2} +  \ldots +  c_{j}\right|_{\textup{mod}\thinspace L}\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
3ExprTuple6, 22
4Literal
5ExprTuple7, 22
6Operationoperator: 9
operands: 8
7Operationoperator: 9
operands: 10
8ExprTuple12, 11, 13
9Literal
10ExprTuple12, 21, 13
11Operationoperator: 14
operands: 15
12ExprRangelambda_map: 16
start_index: 19
end_index: 17
13ExprRangelambda_map: 18
start_index: 19
end_index: 20
14Literal
15ExprTuple21, 22
16Lambdaparameter: 28
body: 23
17Variable
18Lambdaparameter: 28
body: 24
19Literal
20Variable
21Variable
22Variable
23IndexedVarvariable: 25
index: 28
24IndexedVarvariable: 26
index: 28
25Variable
26Variable
27ExprTuple28
28Variable