Theorem caoprdilem 4074

Description: Lemma used by real number construction.

Hypotheses

Ref	Expression
caoprd.1	|- A e. V
caoprd.2	|- B e. V
caoprd.3	|- C e. V
caoprd.com	|- (xGy) = (yGx)
caoprd.distr	|- (xG(yFz)) = ((xGy)F(xGz))
caoprdl.4	|- D e. V
caoprdl.5	|- H e. V
caoprdl.ass	|- ((xGy)Gz) = (xG(yGz))

Assertion

Ref	Expression
caoprdilem	|- (((AGC)F(BGD))GH) = ((AG(CGH))F(BG(DGH)))

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

Proof of Theorem caoprdilem

Step	Hyp	Ref	Expression
1		oprex 3989	. . 3 |- (AGC) e. V
2		oprex 3989	. . 3 |- (BGD) e. V
3		caoprdl.5	. . 3 |- H e. V
4		caoprd.com	. . 3 |- (xGy) = (yGx)
5		caoprd.distr	. . 3 |- (xG(yFz)) = ((xGy)F(xGz))
6	1, 2, 3, 4, 5	caoprdistrr 4073	. 2 |- (((AGC)F(BGD))GH) = (((AGC)GH)F((BGD)GH))
7		caoprd.1	. . . 4 |- A e. V
8		caoprd.3	. . . 4 |- C e. V
9		caoprdl.ass	. . . 4 |- ((xGy)Gz) = (xG(yGz))
10	7, 8, 3, 9	caoprass 4060	. . 3 |- ((AGC)GH) = (AG(CGH))
11		caoprd.2	. . . 4 |- B e. V
12		caoprdl.4	. . . 4 |- D e. V
13	11, 12, 3, 9	caoprass 4060	. . 3 |- ((BGD)GH) = (BG(DGH))
14	10, 13	opreq12i 3979	. 2 |- (((AGC)GH)F((BGD)GH)) = ((AG(CGH))F(BG(DGH)))
15	6, 14	eqtr 1498	1 |- (((AGC)F(BGD))GH) = ((AG(CGH))F(BG(DGH)))

Syntax hints:   = wceq 958   e. wcel 960  Vcvv 1814  (class class class)co 3969

This theorem is referenced by:  caoprlem2 4075  addasspq 5075  axmulass 5290

This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 964  ax-gen 965  ax-8 966  ax-10 968  ax-11 969  ax-12 970  ax-13 971  ax-14 972  ax-17 973  ax-4 975  ax-5o 977  ax-6o 980  ax-9o 1125  ax-10o 1142  ax-16 1212  ax-11o 1220  ax-ext 1462  ax-sep 2708  ax-pow 2748  ax-pr 2785  ax-un 2872

This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-3an 779  df-ex 983  df-sb 1174  df-eu 1384  df-mo 1385  df-clab 1467  df-cleq 1472  df-clel 1475  df-ne 1590  df-v 1815  df-dif 2052  df-un 2053  df-in 2054  df-ss 2056  df-nul 2284  df-pw 2406  df-sn 2416  df-pr 2417  df-op 2420  df-uni 2508  df-br 2625  df-opab 2672  df-xp 3190  df-cnv 3192  df-dm 3194  df-rn 3195  df-res 3196  df-ima 3197  df-fv 3204  df-opr 3971

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