Theorem fvcosymgeq 18161

Description: The values of two compositions of permutations are equal if the values of the composed permutations are pairwise equal. (Contributed by AV, 26-Jan-2019.)

Hypotheses

Ref	Expression
gsmsymgrfix.s	⊢ 𝑆 = (SymGrp‘𝑁)
gsmsymgrfix.b	⊢ 𝐵 = (Base‘𝑆)
gsmsymgreq.z	⊢ 𝑍 = (SymGrp‘𝑀)
gsmsymgreq.p	⊢ 𝑃 = (Base‘𝑍)
gsmsymgreq.i	⊢ 𝐼 = (𝑁 ∩ 𝑀)

Assertion

Ref	Expression
fvcosymgeq	⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → ((𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛)) → ((𝐹 ∘ 𝐺)‘𝑋) = ((𝐻 ∘ 𝐾)‘𝑋)))

Distinct variable groups:   𝑛,𝐹   𝑛,𝐺   𝑛,𝐻   𝑛,𝐼   𝑛,𝐾   𝑛,𝑋

Allowed substitution hints:   𝐵(𝑛)   𝑃(𝑛)   𝑆(𝑛)   𝑀(𝑛)   𝑁(𝑛)   𝑍(𝑛)

Proof of Theorem fvcosymgeq

Step	Hyp	Ref	Expression
1		gsmsymgrfix.s	. . . . . . 7 ⊢ 𝑆 = (SymGrp‘𝑁)
2		gsmsymgrfix.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑆)
3	1, 2	symgbasf 18116	. . . . . 6 ⊢ (𝐺 ∈ 𝐵 → 𝐺:𝑁⟶𝑁)
4	3	ffnd 6257	. . . . 5 ⊢ (𝐺 ∈ 𝐵 → 𝐺 Fn 𝑁)
5		gsmsymgreq.z	. . . . . . 7 ⊢ 𝑍 = (SymGrp‘𝑀)
6		gsmsymgreq.p	. . . . . . 7 ⊢ 𝑃 = (Base‘𝑍)
7	5, 6	symgbasf 18116	. . . . . 6 ⊢ (𝐾 ∈ 𝑃 → 𝐾:𝑀⟶𝑀)
8	7	ffnd 6257	. . . . 5 ⊢ (𝐾 ∈ 𝑃 → 𝐾 Fn 𝑀)
9	4, 8	anim12i 607	. . . 4 ⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → (𝐺 Fn 𝑁 ∧ 𝐾 Fn 𝑀))
10	9	adantr 473	. . 3 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → (𝐺 Fn 𝑁 ∧ 𝐾 Fn 𝑀))
11		gsmsymgreq.i	. . . . . . . 8 ⊢ 𝐼 = (𝑁 ∩ 𝑀)
12	11	eleq2i 2870	. . . . . . 7 ⊢ (𝑋 ∈ 𝐼 ↔ 𝑋 ∈ (𝑁 ∩ 𝑀))
13	12	biimpi 208	. . . . . 6 ⊢ (𝑋 ∈ 𝐼 → 𝑋 ∈ (𝑁 ∩ 𝑀))
14	13	3ad2ant1 1164	. . . . 5 ⊢ ((𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛)) → 𝑋 ∈ (𝑁 ∩ 𝑀))
15	14	adantl 474	. . . 4 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → 𝑋 ∈ (𝑁 ∩ 𝑀))
16		simpr2 1251	. . . 4 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → (𝐺‘𝑋) = (𝐾‘𝑋))
17	1, 2	symgbasf1o 18115	. . . . . . . . . . 11 ⊢ (𝐺 ∈ 𝐵 → 𝐺:𝑁–1-1-onto→𝑁)
18		dff1o5 6365	. . . . . . . . . . . 12 ⊢ (𝐺:𝑁–1-1-onto→𝑁 ↔ (𝐺:𝑁–1-1→𝑁 ∧ ran 𝐺 = 𝑁))
19		eqcom 2806	. . . . . . . . . . . . . 14 ⊢ (ran 𝐺 = 𝑁 ↔ 𝑁 = ran 𝐺)
20	19	biimpi 208	. . . . . . . . . . . . 13 ⊢ (ran 𝐺 = 𝑁 → 𝑁 = ran 𝐺)
21	20	adantl 474	. . . . . . . . . . . 12 ⊢ ((𝐺:𝑁–1-1→𝑁 ∧ ran 𝐺 = 𝑁) → 𝑁 = ran 𝐺)
22	18, 21	sylbi 209	. . . . . . . . . . 11 ⊢ (𝐺:𝑁–1-1-onto→𝑁 → 𝑁 = ran 𝐺)
23	17, 22	syl 17	. . . . . . . . . 10 ⊢ (𝐺 ∈ 𝐵 → 𝑁 = ran 𝐺)
24	5, 6	symgbasf1o 18115	. . . . . . . . . . 11 ⊢ (𝐾 ∈ 𝑃 → 𝐾:𝑀–1-1-onto→𝑀)
25		dff1o5 6365	. . . . . . . . . . . 12 ⊢ (𝐾:𝑀–1-1-onto→𝑀 ↔ (𝐾:𝑀–1-1→𝑀 ∧ ran 𝐾 = 𝑀))
26		eqcom 2806	. . . . . . . . . . . . . 14 ⊢ (ran 𝐾 = 𝑀 ↔ 𝑀 = ran 𝐾)
27	26	biimpi 208	. . . . . . . . . . . . 13 ⊢ (ran 𝐾 = 𝑀 → 𝑀 = ran 𝐾)
28	27	adantl 474	. . . . . . . . . . . 12 ⊢ ((𝐾:𝑀–1-1→𝑀 ∧ ran 𝐾 = 𝑀) → 𝑀 = ran 𝐾)
29	25, 28	sylbi 209	. . . . . . . . . . 11 ⊢ (𝐾:𝑀–1-1-onto→𝑀 → 𝑀 = ran 𝐾)
30	24, 29	syl 17	. . . . . . . . . 10 ⊢ (𝐾 ∈ 𝑃 → 𝑀 = ran 𝐾)
31	23, 30	ineqan12d 4014	. . . . . . . . 9 ⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → (𝑁 ∩ 𝑀) = (ran 𝐺 ∩ ran 𝐾))
32	11, 31	syl5eq 2845	. . . . . . . 8 ⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → 𝐼 = (ran 𝐺 ∩ ran 𝐾))
33	32	raleqdv 3327	. . . . . . 7 ⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → (∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛) ↔ ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛)))
34	33	biimpcd 241	. . . . . 6 ⊢ (∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛) → ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛)))
35	34	3ad2ant3 1166	. . . . 5 ⊢ ((𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛)) → ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛)))
36	35	impcom 397	. . . 4 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛))
37	15, 16, 36	3jca 1159	. . 3 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → (𝑋 ∈ (𝑁 ∩ 𝑀) ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛)))
38		fvcofneq 6593	. . 3 ⊢ ((𝐺 Fn 𝑁 ∧ 𝐾 Fn 𝑀) → ((𝑋 ∈ (𝑁 ∩ 𝑀) ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ (ran 𝐺 ∩ ran 𝐾)(𝐹‘𝑛) = (𝐻‘𝑛)) → ((𝐹 ∘ 𝐺)‘𝑋) = ((𝐻 ∘ 𝐾)‘𝑋)))
39	10, 37, 38	sylc 65	. 2 ⊢ (((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) ∧ (𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛))) → ((𝐹 ∘ 𝐺)‘𝑋) = ((𝐻 ∘ 𝐾)‘𝑋))
40	39	ex 402	1 ⊢ ((𝐺 ∈ 𝐵 ∧ 𝐾 ∈ 𝑃) → ((𝑋 ∈ 𝐼 ∧ (𝐺‘𝑋) = (𝐾‘𝑋) ∧ ∀𝑛 ∈ 𝐼 (𝐹‘𝑛) = (𝐻‘𝑛)) → ((𝐹 ∘ 𝐺)‘𝑋) = ((𝐻 ∘ 𝐾)‘𝑋)))

Syntax hints:   → wi 4   ∧ wa 385   ∧ w3a 1108   = wceq 1653   ∈ wcel 2157  ∀wral 3089   ∩ cin 3768  ran crn 5313   ∘ ccom 5316   Fn wfn 6096  –1-1→wf1 6098  –1-1-onto→wf1o 6100  ‘cfv 6101  Basecbs 16184  SymGrpcsymg 18109

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1891  ax-4 1905  ax-5 2006  ax-6 2072  ax-7 2107  ax-8 2159  ax-9 2166  ax-10 2185  ax-11 2200  ax-12 2213  ax-13 2377  ax-ext 2777  ax-sep 4975  ax-nul 4983  ax-pow 5035  ax-pr 5097  ax-un 7183  ax-cnex 10280  ax-resscn 10281  ax-1cn 10282  ax-icn 10283  ax-addcl 10284  ax-addrcl 10285  ax-mulcl 10286  ax-mulrcl 10287  ax-mulcom 10288  ax-addass 10289  ax-mulass 10290  ax-distr 10291  ax-i2m1 10292  ax-1ne0 10293  ax-1rid 10294  ax-rnegex 10295  ax-rrecex 10296  ax-cnre 10297  ax-pre-lttri 10298  ax-pre-lttrn 10299  ax-pre-ltadd 10300  ax-pre-mulgt0 10301

This theorem depends on definitions:  df-bi 199  df-an 386  df-or 875  df-3or 1109  df-3an 1110  df-tru 1657  df-ex 1876  df-nf 1880  df-sb 2065  df-mo 2591  df-eu 2609  df-clab 2786  df-cleq 2792  df-clel 2795  df-nfc 2930  df-ne 2972  df-nel 3075  df-ral 3094  df-rex 3095  df-reu 3096  df-rab 3098  df-v 3387  df-sbc 3634  df-csb 3729  df-dif 3772  df-un 3774  df-in 3776  df-ss 3783  df-pss 3785  df-nul 4116  df-if 4278  df-pw 4351  df-sn 4369  df-pr 4371  df-tp 4373  df-op 4375  df-uni 4629  df-int 4668  df-iun 4712  df-br 4844  df-opab 4906  df-mpt 4923  df-tr 4946  df-id 5220  df-eprel 5225  df-po 5233  df-so 5234  df-fr 5271  df-we 5273  df-xp 5318  df-rel 5319  df-cnv 5320  df-co 5321  df-dm 5322  df-rn 5323  df-res 5324  df-ima 5325  df-pred 5898  df-ord 5944  df-on 5945  df-lim 5946  df-suc 5947  df-iota 6064  df-fun 6103  df-fn 6104  df-f 6105  df-f1 6106  df-fo 6107  df-f1o 6108  df-fv 6109  df-riota 6839  df-ov 6881  df-oprab 6882  df-mpt2 6883  df-om 7300  df-1st 7401  df-2nd 7402  df-wrecs 7645  df-recs 7707  df-rdg 7745  df-1o 7799  df-oadd 7803  df-er 7982  df-map 8097  df-en 8196  df-dom 8197  df-sdom 8198  df-fin 8199  df-pnf 10365  df-mnf 10366  df-xr 10367  df-ltxr 10368  df-le 10369  df-sub 10558  df-neg 10559  df-nn 11313  df-2 11376  df-3 11377  df-4 11378  df-5 11379  df-6 11380  df-7 11381  df-8 11382  df-9 11383  df-n0 11581  df-z 11667  df-uz 11931  df-fz 12581  df-struct 16186  df-ndx 16187  df-slot 16188  df-base 16190  df-plusg 16280  df-tset 16286  df-symg 18110

This theorem is referenced by:  gsmsymgreqlem1  18162