Theorem caovassg 5627

Description: Convert an operation associative law to class notation. (Contributed by set.mm contributors, 1-Jun-2013.) (Revised by Mario Carneiro, 2-Jun-2013.)

Hypothesis

Ref	Expression
caovassg.1	⊢ ((φ ∧ (x ∈ S ∧ y ∈ S ∧ z ∈ S)) → ((xFy)Fz) = (xF(yFz)))

Assertion

Ref	Expression
caovassg	⊢ ((φ ∧ (A ∈ S ∧ B ∈ S ∧ C ∈ S)) → ((AFB)FC) = (AF(BFC)))

Distinct variable groups:   x,y,z,F   x,S,y,z   x,A,y,z   x,B,y,z   x,C,y,z   φ,x,y,z

Proof of Theorem caovassg

Step	Hyp	Ref	Expression
1		caovassg.1	. . 3 ⊢ ((φ ∧ (x ∈ S ∧ y ∈ S ∧ z ∈ S)) → ((xFy)Fz) = (xF(yFz)))
2	1	ralrimivvva 2708	. 2 ⊢ (φ → ∀x ∈ S ∀y ∈ S ∀z ∈ S ((xFy)Fz) = (xF(yFz)))
3		oveq1 5531	. . . . 5 ⊢ (x = A → (xFy) = (AFy))
4	3	oveq1d 5538	. . . 4 ⊢ (x = A → ((xFy)Fz) = ((AFy)Fz))
5		oveq1 5531	. . . 4 ⊢ (x = A → (xF(yFz)) = (AF(yFz)))
6	4, 5	eqeq12d 2367	. . 3 ⊢ (x = A → (((xFy)Fz) = (xF(yFz)) ↔ ((AFy)Fz) = (AF(yFz))))
7		oveq2 5532	. . . . 5 ⊢ (y = B → (AFy) = (AFB))
8	7	oveq1d 5538	. . . 4 ⊢ (y = B → ((AFy)Fz) = ((AFB)Fz))
9		oveq1 5531	. . . . 5 ⊢ (y = B → (yFz) = (BFz))
10	9	oveq2d 5539	. . . 4 ⊢ (y = B → (AF(yFz)) = (AF(BFz)))
11	8, 10	eqeq12d 2367	. . 3 ⊢ (y = B → (((AFy)Fz) = (AF(yFz)) ↔ ((AFB)Fz) = (AF(BFz))))
12		oveq2 5532	. . . 4 ⊢ (z = C → ((AFB)Fz) = ((AFB)FC))
13		oveq2 5532	. . . . 5 ⊢ (z = C → (BFz) = (BFC))
14	13	oveq2d 5539	. . . 4 ⊢ (z = C → (AF(BFz)) = (AF(BFC)))
15	12, 14	eqeq12d 2367	. . 3 ⊢ (z = C → (((AFB)Fz) = (AF(BFz)) ↔ ((AFB)FC) = (AF(BFC))))
16	6, 11, 15	rspc3v 2965	. 2 ⊢ ((A ∈ S ∧ B ∈ S ∧ C ∈ S) → (∀x ∈ S ∀y ∈ S ∀z ∈ S ((xFy)Fz) = (xF(yFz)) → ((AFB)FC) = (AF(BFC))))
17	2, 16	mpan9 455	1 ⊢ ((φ ∧ (A ∈ S ∧ B ∈ S ∧ C ∈ S)) → ((AFB)FC) = (AF(BFC)))

Syntax hints:   → wi 4   ∧ wa 358   ∧ w3a 934   = wceq 1642   ∈ wcel 1710  ∀wral 2615  (class class class)co 5526

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1546  ax-5 1557  ax-17 1616  ax-9 1654  ax-8 1675  ax-6 1729  ax-7 1734  ax-11 1746  ax-12 1925  ax-ext 2334  ax-nin 4079  ax-xp 4080  ax-cnv 4081  ax-1c 4082  ax-sset 4083  ax-si 4084  ax-ins2 4085  ax-ins3 4086  ax-typlower 4087  ax-sn 4088

This theorem depends on definitions:  df-bi 177  df-or 359  df-an 360  df-3an 936  df-nan 1288  df-tru 1319  df-ex 1542  df-nf 1545  df-sb 1649  df-clab 2340  df-cleq 2346  df-clel 2349  df-nfc 2479  df-ne 2519  df-ral 2620  df-rex 2621  df-v 2862  df-sbc 3048  df-nin 3212  df-compl 3213  df-in 3214  df-un 3215  df-dif 3216  df-symdif 3217  df-ss 3260  df-nul 3552  df-if 3664  df-pw 3725  df-sn 3742  df-pr 3743  df-uni 3893  df-int 3928  df-opk 4059  df-1c 4137  df-pw1 4138  df-uni1 4139  df-xpk 4186  df-cnvk 4187  df-ins2k 4188  df-ins3k 4189  df-imak 4190  df-cok 4191  df-p6 4192  df-sik 4193  df-ssetk 4194  df-imagek 4195  df-idk 4196  df-iota 4340  df-addc 4379  df-nnc 4380  df-phi 4566  df-op 4567  df-br 4641  df-fv 4796  df-ov 5527

This theorem is referenced by:  caovass  5628