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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, S, c, x
from proveit.logic import Card, SetOfAll
from proveit.numbers import Add, Mod
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [x]
expr = ExprTuple(Card(SetOfAll(instance_param_or_params = sub_expr1, instance_element = Mod(Add(x, c), L), domain = S)), Card(SetOfAll(instance_param_or_params = sub_expr1, instance_element = Mod(x, L), domain = S)))
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\{\left(x + c\right) ~\textup{mod}~ L\right\}_{x \in S}|, |\left\{x ~\textup{mod}~ L\right\}_{x \in S}|\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
operand: 6
2Operationoperator: 4
operand: 7
3ExprTuple6
4Literal
5ExprTuple7
6Operationoperator: 9
operand: 11
7Operationoperator: 9
operand: 12
8ExprTuple11
9Literal
10ExprTuple12
11Lambdaparameter: 29
body: 13
12Lambdaparameter: 29
body: 15
13Conditionalvalue: 16
condition: 18
14ExprTuple29
15Conditionalvalue: 17
condition: 18
16Operationoperator: 20
operands: 19
17Operationoperator: 20
operands: 21
18Operationoperator: 22
operands: 23
19ExprTuple24, 25
20Literal
21ExprTuple29, 25
22Literal
23ExprTuple29, 26
24Operationoperator: 27
operands: 28
25Variable
26Variable
27Literal
28ExprTuple29, 30
29Variable
30Variable