The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
1answer
46 views

Abstract Algebra Math notation, kernel

So I defined $$\theta:R \rightarrow R\backslash I$$ by $$\theta(x) = [x]_I$$ and $$\phi: R[x]\rightarrow (R\backslash I)[x]$$ by $$\phi(a_nx^n +\dotsb+a_1x+a_0) = ...
1
vote
2answers
72 views

Ambiguity in Reverse Polish notation

Given the infix form: 1 * 2 * 3 What is the Reverse Polish notation? As I see things, two valid answers are: ...
1
vote
1answer
98 views

Reverse Polish Notation with power

Perhaps I'm just not understanding RPN correctly, but whenever I translate something like 2^2^3 then I get 22^3^ But if I try ...
0
votes
1answer
52 views

Which One of These Logical Theses Does Not Hold for Relevant Logics With a Connective for Conjunction?

I write in Polish notation and have included fully infixed notation here also which indicates parsing order. For every relevant logic simplification fails: Simplifcation: CpCqp or ...
0
votes
2answers
102 views

Reverse Polish Notation and numbers $>9$

Excuse me for the newbish question in advance but how should I make sure I don't make a mistake converting from RPN to infix notation when I don't know if some of the numbers aren't two-digit ones or ...
0
votes
2answers
260 views

distributive law in polish notation

On page 18 "Logic as Algebra" Halmos&Givant wrote the distributive law in Polish notation as $$ = \times a + bc + \times ab \times ac $$ I fail to see anything remarkable here, is there a ...
1
vote
1answer
122 views

PEDMAS in RPN needed?

In RPN do we still have to take into note the PEDMAS rules? For example these questions: 3 – 4 * 2 3 * 4 – 2 3 * (4 – 2) (3 – 4) * 2 3 – 4 + 2 Answers 342*- ...
1
vote
2answers
269 views

Calculate an Average in RPN (Reverse Polish Notation)

To calculate an average in reverse polish notation (RPN) is the following correct (assuming a-j are variables representing numbers): ...
0
votes
1answer
205 views

Is it possible to omit multiplication operator in polish/prefix notation?

In infix notation, (2/2(3+3)) means (2/(2*(3+3)). The multiplication sign is omitted. In polish/prefix notation, is it possible to omit multiplication sign? For instance, is it acceptable to write ( ...
2
votes
3answers
321 views

Practicing Polish/Prefix notation

...