Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 74039

Ontological and metaphysical questions about the study of existence, being and the structure of reality.

2 votes
6 answers
339 views

Does the statement "only matter exists" denote a false proposition or a true proposition? [closed]

"Only matter exists" means ∃ x[x exists] ∧ ∀ x[x exists → x is matter] Then for the meaning of existence, I offer the following definition: Definition x exists if and only if x is in the current moment …
lee pappas's user avatar
  • 1,550
2 votes
4 answers
1k views

What is the meaning of existence? [closed]

What is the meaning of the word 'exist'? Its etymology reveals it's derived from two Latin words: ex = from + ist = is Thus, its inventor intended it to mean from is. What did the inventor of the wo …
lee pappas's user avatar
  • 1,550
1 vote

What are some logically equivalent formulations of “uniqueness”?

As far as I have seen, the ubiquitous way of proving “x has property P uniquely” in mathematics is by showing “if there was some other y which also had property P, it would follow necessarily that y …
lee pappas's user avatar
  • 1,550
1 vote
3 answers
418 views

Do meanings of statements exist?

It was suggested to me in another thread that materialism is self defeating. But when I looked at the reason for that statement I found confusion in the argument. (4) MATERIALISM [Definition] The do …
lee pappas's user avatar
  • 1,550
3 votes

Why does existential quantification appear to be predicative?

I'm faced with existence questions all the time. "Casper is a friendly ghost", can be formulated in free logic. In first order logic you have a problem. … So as Bumble said, in free logic existence is a property that Casper may or may not have, but in first order logic all constants in the language denote. …
lee pappas's user avatar
  • 1,550