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the lambda

Name: Anonymous 2013-02-21 1:16

We can define a successor function, which takes a number n and returns n + 1 by adding an additional application of f:

    SUCC := λn.λf.λx.f (n f x)

Because the m-th composition of f composed with the n-th composition of f gives the m+n-th composition of f, addition can be defined as follows:

    PLUS := λm.λn.λf.λx.m f (n f x)

PLUS can be thought of as a function taking two natural numbers as arguments and returning a natural number; it can be verified that

    PLUS 2 3

and

    5

are equivalent lambda expressions. Since adding m to a number n can be accomplished by adding 1 m times, an equivalent definition is:

    PLUS := λm.λn.m SUCC n

Name: Anonymous 2013-02-21 20:34

Name: Anonymous 2013-02-21 20:52

>>40 are you a phed or something?

Name: Anonymous 2013-02-21 20:55

>>42
No.

Look, faggot, is it that hard to answer the questions? I'm answering yours.

Name: Anonymous 2013-02-21 21:00

coined. phed. noun.
An old man pretending to be a child, and hanging around children, in the hopes of catching other old men pretending to be a child, and hanging around children..

No, im 26.

Why are you concerned with me, this is a thread discussing lambda calculus..?

Name: Anonymous 2013-02-21 21:03

>>44
Good fucking god, you finally answered. But you should act more mature, you're not 13 anymore.

I'm concerned about you because you abuse ellipsis and emoticons, and shitpost to the point of making some threads unbearable.

Name: Anonymous 2013-02-21 21:15

>>45 i'd be rather lonely.. ^^

Name: Anonymous 2013-02-22 2:19

hmm.. that syntax is pretty awful though, i still don't even know where to look to find the things it's supposed to be doing..

Name: Anonymous 2013-02-22 2:39

'mercury-rising' grade code obfuscation theory?
something worse than cargo-cult recursion?
'and maybe one day we'll go to rehab, or back to argentina...'

Name: Anonymous 2013-02-22 2:58

SICP may refer to:

    Structure and Interpretation of Computer Programs, pronounced “sick-pea”

not even pronounced "cisp"

Name: Anonymous 2013-02-22 3:13

mfw first published 1984
thousands of uni students, all with good english skills
still pronounced "sick-pea"
Sertified Genius

Name: Anonymous 2013-02-22 3:36

I guess that's what you get for not teaching yourselves..
YHBT so hard i almost feel bad for pointing it out..

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