Definition df-euf

Description: Define the Euclidean function. (Contributed by Thierry Arnoux, 22-Mar-2025) Use its index-independent form eufid instead. (New usage is discouraged.)

	Ref	Expression
Assertion	df-euf	$$⊢\mathrm{EuclF}=\mathrm{Slot}21$$

Detailed syntax breakdown

Step	Hyp	Ref	Expression
0		ceuf	$$class\mathrm{EuclF}$$
1		c2	$$class2$$
2		c1	$$class1$$
3	1 2	cdc	$$class21$$
4	3	cslot	$$class\mathrm{Slot}21$$
5	0 4	wceq	$$wff\mathrm{EuclF}=\mathrm{Slot}21$$