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=123

Detailed syntax breakdown

Step Hyp Ref Expression
0 crr3c classRR3
1 cr class
2 cmap class𝑚
3 c1 class1
4 c2 class2
5 c3 class3
6 3 4 5 ctp class123
7 1 6 2 co class123
8 0 7 wceq wffRR3=123