Model (FOL)

From Maths
Jump to: navigation, search
Stub grade: A
This page is a stub
This page is a stub, so it contains little or minimal information and is on a to-do list for being expanded.The message provided is:
Created page so I don't have to sift through notes or scour PDFs, needs more content!

Definition

For a given first order language, [ilmath]\mathscr{L} [/ilmath], with a structure, [ilmath]\mathbf{M} [/ilmath] and an assignment, [ilmath]\sigma[/ilmath], a 2-tuple (or ordered pair) [ilmath](\mathbf{M},\sigma)[/ilmath] is a model of [ilmath]\mathscr{L} [/ilmath][1].

  • Fully expanded a model is a tuple, [ilmath]\underbrace{(\overbrace{(\underbrace{(M,\mathcal{F},\mathcal{R})}_{\text{Domain: }\mathbb{M} },\overbrace{I:\mathscr{L}\rightarrow \underbrace{(M,\mathcal{F},\mathcal{R})}_{\mathbb{M} } }^\text{Interpretation})}^\text{Structure},\underbrace{\sigma:V\rightarrow M}_\text{Assignment})}_\text{Model}[/ilmath]

See next

References

  1. Mathematical Logic - Foundations for Information Science - Wei Li

Template:Formal logic navbox