Detailed syntax breakdown of Axiom ax-hvmulass
| Step | Hyp | Ref
| Expression |
| 1 | | cA |
. . . 4
class A |
| 2 | | cc 4026 |
. . . 4
class ℂ |
| 3 | 1, 2 | wcel 1092 |
. . 3
wff A ∈
ℂ |
| 4 | | cB |
. . . 4
class B |
| 5 | 4, 2 | wcel 1092 |
. . 3
wff B ∈
ℂ |
| 6 | | cC |
. . . 4
class C |
| 7 | | chil 4958 |
. . . 4
class ℋ |
| 8 | 6, 7 | wcel 1092 |
. . 3
wff C ∈
ℋ |
| 9 | 3, 5, 8 | w3a 581 |
. 2
wff (A ∈
ℂ ∧ B ∈ ℂ ∧
C ∈ ℋ ) |
| 10 | | cmulc 4032 |
. . . . 5
class · |
| 11 | 1, 4, 10 | co 3001 |
. . . 4
class (A
· B) |
| 12 | | csm 4960 |
. . . 4
class
·s |
| 13 | 11, 6, 12 | co 3001 |
. . 3
class ((A
· B)
·s C) |
| 14 | 4, 6, 12 | co 3001 |
. . . 4
class (B
·s C) |
| 15 | 1, 14, 12 | co 3001 |
. . 3
class (A
·s (B
·s C)) |
| 16 | 13, 15 | wceq 1091 |
. 2
wff ((A
· B)
·s C) =
(A ·s
(B ·s
C)) |
| 17 | 9, 16 | wi 2 |
1
wff ((A ∈
ℂ ∧ B ∈ ℂ ∧
C ∈ ℋ ) → ((A · B)
·s C) =
(A ·s
(B ·s
C))) |