Theorem caovass 5628

Description: Convert an operation associative law to class notation. (Contributed by set.mm contributors, 26-Aug-1995.) (Revised by Mario Carneiro, 1-Jun-2013.)

Hypotheses

Ref	Expression
caovass.1	⊢ A ∈ V
caovass.2	⊢ B ∈ V
caovass.3	⊢ C ∈ V
caovass.4	⊢ ((xFy)Fz) = (xF(yFz))

Assertion

Ref	Expression
caovass	⊢ ((AFB)FC) = (AF(BFC))

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

Proof of Theorem caovass

Step	Hyp	Ref	Expression
1		caovass.1	. 2 ⊢ A ∈ V
2		caovass.2	. 2 ⊢ B ∈ V
3		caovass.3	. 2 ⊢ C ∈ V
4		tru 1321	. . 3 ⊢ ⊤
5		caovass.4	. . . . 5 ⊢ ((xFy)Fz) = (xF(yFz))
6	5	a1i 10	. . . 4 ⊢ (( ⊤ ∧ (x ∈ V ∧ y ∈ V ∧ z ∈ V)) → ((xFy)Fz) = (xF(yFz)))
7	6	caovassg 5627	. . 3 ⊢ (( ⊤ ∧ (A ∈ V ∧ B ∈ V ∧ C ∈ V)) → ((AFB)FC) = (AF(BFC)))
8	4, 7	mpan 651	. 2 ⊢ ((A ∈ V ∧ B ∈ V ∧ C ∈ V) → ((AFB)FC) = (AF(BFC)))
9	1, 2, 3, 8	mp3an 1277	1 ⊢ ((AFB)FC) = (AF(BFC))

Syntax hints:   ∧ wa 358   ∧ w3a 934   ⊤ wtru 1316   = wceq 1642   ∈ wcel 1710  Vcvv 2860  (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:  caov32  5636  caov12  5637  caov31  5638  caov13  5639  caov4  5640  caov411  5641  caovdilem  5644  caovmo  5646