Fast Growing Hierarchy — Calculator High Quality
This module handles the transfinite ordinals ($\omega, \omega+1, \omega \cdot 2, \omega^2, \epsilon_0$).
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The hierarchy is defined by choosing a fundamental sequence for each limit ordinal. The standard definition uses functions is an ordinal. The system builds upon three basic rules: (Simple successor function) Successor Step: (Iterating the previous function Limit Step: (Using a fundamental sequence for limit ordinals) How the Levels Scale
, we hit our first limit ordinal. Using the standard fundamental sequence fω(n)=fn(n)f sub omega of n equals f sub n of n This means . The growth rate of fωf sub omega completely outpaces any single fixed integer level ( Anatomy of a High-Quality FGH Calculator fast growing hierarchy calculator high quality
For advanced research, calculators let you explore systems beyond the Bachmann-Howard ordinal. Input an ordinal using the Veblen hierarchy:
Which or notation (e.g., Cantor Normal Form, Veblen, Bowers) you want to calculate?
cannot be written out in full digits (as they exceed the number of atoms in the observable universe), a high-quality calculator does not attempt to output raw integers. Instead, it provides: If you share with third parties, their policies apply
High-quality tools (like those found on the ) allow users to input complex ordinals using proper mathematical syntax (e.g., omega^omega^omega + omega*5 ) [1]. 3. Arbitrary Precision/Large Number Management
# Successor Ordinal if is_successor(alpha): # Try to derive closed form to avoid iteration stack overflow if alpha == 1: return x + x if alpha == 2: return x * (2**x) if alpha == 3: return tetration(x) # Symbolic Up-Arrow
The (FGH) is a family of functions ( f_\alpha : \mathbbN \to \mathbbN ) indexed by ordinals ( \alpha ). It is central to proof theory and computational googology, as it provides a scale for comparing the growth rates of functions. The hierarchy is defined by choosing a fundamental
$f_\omega(3) = f_3(3) \approx 2 \uparrow\uparrow\uparrow 3$ (approx)
Appendix: Minimal worked computation examples
Before we can calculate, we must understand. The Fast Growing Hierarchy is a family of functions indexed by ordinals, typically denoted as ( f_\alpha(n) ), where ( \alpha ) is a countable ordinal and ( n ) is a natural number.
For inputs like ( f_\omega+1(4) ), the output is astronomically large (beyond power towers). A high-quality calculator does attempt to print 10^10^... digits. Instead, it outputs:
The (FGH) is a family of functions ( f_\alpha: \mathbbN \to \mathbbN ), indexed by ordinals ( \alpha ), that rigorously defines the concept of "very fast growth" in proof theory and computability theory. A high-quality FGH calculator goes beyond simple recursion—it must handle limit ordinals, fundamental sequences, and large countable ordinals up to (and beyond) the Bachmann–Howard ordinal.
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