Index

Gödel numbering

PA

α-equivalent

Boolean algebra

β-contraction

bounded

β-normal form

β-redex

β-reduction

base theory of arithmetic

canonically coded

Church numeral

complemented

composition

context

decide

decidable

decidable

distributive

filter

force

forcing

fixed-point combinator

Heyting algebra

height

Heyting homomorphism

H-valid

H-valuation

IPC

Kripke model

λ-abstraction

λ-application

lattice

λ-definable

λ-define

lpa

Lindenbaum-Tarski algebra

λ-term

minimisation

persistence

partial recursive

partial recursive function

prime

primitive recursion

primitive recursive

principal

projection

proper

principal up-set

recursive

recursive

recursive

reduces

redex

reduction

recursively enumerable

represent

represented

representable

representation

recursively inseparable

state

simply typed λ-term

successor

term

total recursive

typability relation

terminal segment

Takahashi translation

type

λ-term

term

valuation

world

zero