Metamath Proof Explorer


Definition df-rr3

Description: Define the set of all points RR3 . We define each point A as a function to allow the use of vector addition and subtraction as well as scalar multiplication in our proofs. (Contributed by Andrew Salmon, 15-Jul-2012)

Ref Expression
Assertion df-rr3 RR3 = 1 2 3

Detailed syntax breakdown

Step Hyp Ref Expression
0 crr3c class RR3
1 cr class
2 cmap class 𝑚
3 c1 class 1
4 c2 class 2
5 c3 class 3
6 3 4 5 ctp class 1 2 3
7 1 6 2 co class 1 2 3
8 0 7 wceq wff RR3 = 1 2 3