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Theorem cyc3co2 31884
Description: Represent a 3-cycle as a composition of two 2-cycles. (Contributed by Thierry Arnoux, 19-Sep-2023.)
Hypotheses
Ref Expression
cycpm3.c 𝐶 = (toCyc‘𝐷)
cycpm3.s 𝑆 = (SymGrp‘𝐷)
cycpm3.d (𝜑𝐷𝑉)
cycpm3.i (𝜑𝐼𝐷)
cycpm3.j (𝜑𝐽𝐷)
cycpm3.k (𝜑𝐾𝐷)
cycpm3.1 (𝜑𝐼𝐽)
cycpm3.2 (𝜑𝐽𝐾)
cycpm3.3 (𝜑𝐾𝐼)
cyc3co2.t · = (+g𝑆)
Assertion
Ref Expression
cyc3co2 (𝜑 → (𝐶‘⟨“𝐼𝐽𝐾”⟩) = ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)))

Proof of Theorem cyc3co2
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 cycpm3.c . . . . 5 𝐶 = (toCyc‘𝐷)
2 cycpm3.s . . . . 5 𝑆 = (SymGrp‘𝐷)
3 cycpm3.d . . . . 5 (𝜑𝐷𝑉)
4 cycpm3.i . . . . 5 (𝜑𝐼𝐷)
5 cycpm3.j . . . . 5 (𝜑𝐽𝐷)
6 cycpm3.k . . . . 5 (𝜑𝐾𝐷)
7 cycpm3.1 . . . . 5 (𝜑𝐼𝐽)
8 cycpm3.2 . . . . 5 (𝜑𝐽𝐾)
9 cycpm3.3 . . . . 5 (𝜑𝐾𝐼)
101, 2, 3, 4, 5, 6, 7, 8, 9cycpm3cl 31879 . . . 4 (𝜑 → (𝐶‘⟨“𝐼𝐽𝐾”⟩) ∈ (Base‘𝑆))
11 eqid 2736 . . . . 5 (Base‘𝑆) = (Base‘𝑆)
122, 11symgbasf 19153 . . . 4 ((𝐶‘⟨“𝐼𝐽𝐾”⟩) ∈ (Base‘𝑆) → (𝐶‘⟨“𝐼𝐽𝐾”⟩):𝐷𝐷)
1310, 12syl 17 . . 3 (𝜑 → (𝐶‘⟨“𝐼𝐽𝐾”⟩):𝐷𝐷)
1413ffnd 6667 . 2 (𝜑 → (𝐶‘⟨“𝐼𝐽𝐾”⟩) Fn 𝐷)
152symggrp 19178 . . . . . 6 (𝐷𝑉𝑆 ∈ Grp)
163, 15syl 17 . . . . 5 (𝜑𝑆 ∈ Grp)
179necomd 2998 . . . . . 6 (𝜑𝐼𝐾)
181, 3, 4, 6, 17, 2cycpm2cl 31864 . . . . 5 (𝜑 → (𝐶‘⟨“𝐼𝐾”⟩) ∈ (Base‘𝑆))
191, 3, 4, 5, 7, 2cycpm2cl 31864 . . . . 5 (𝜑 → (𝐶‘⟨“𝐼𝐽”⟩) ∈ (Base‘𝑆))
20 cyc3co2.t . . . . . 6 · = (+g𝑆)
2111, 20grpcl 18753 . . . . 5 ((𝑆 ∈ Grp ∧ (𝐶‘⟨“𝐼𝐾”⟩) ∈ (Base‘𝑆) ∧ (𝐶‘⟨“𝐼𝐽”⟩) ∈ (Base‘𝑆)) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) ∈ (Base‘𝑆))
2216, 18, 19, 21syl3anc 1371 . . . 4 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) ∈ (Base‘𝑆))
232, 11symgbasf 19153 . . . 4 (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) ∈ (Base‘𝑆) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)):𝐷𝐷)
2422, 23syl 17 . . 3 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)):𝐷𝐷)
2524ffnd 6667 . 2 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) Fn 𝐷)
261, 2, 3, 4, 5, 6, 7, 8, 9cyc3fv1 31881 . . . . . . . 8 (𝜑 → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐼) = 𝐽)
2726adantr 481 . . . . . . 7 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐼) = 𝐽)
28 simpr 485 . . . . . . . 8 ((𝜑𝑥 = 𝐼) → 𝑥 = 𝐼)
2928fveq2d 6844 . . . . . . 7 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐼))
302, 11, 20symgov 19161 . . . . . . . . . . 11 (((𝐶‘⟨“𝐼𝐾”⟩) ∈ (Base‘𝑆) ∧ (𝐶‘⟨“𝐼𝐽”⟩) ∈ (Base‘𝑆)) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
3118, 19, 30syl2anc 584 . . . . . . . . . 10 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
3231adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
3332fveq1d 6842 . . . . . . . 8 ((𝜑𝑥 = 𝐼) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
342, 11symgbasf 19153 . . . . . . . . . . . 12 ((𝐶‘⟨“𝐼𝐽”⟩) ∈ (Base‘𝑆) → (𝐶‘⟨“𝐼𝐽”⟩):𝐷𝐷)
3519, 34syl 17 . . . . . . . . . . 11 (𝜑 → (𝐶‘⟨“𝐼𝐽”⟩):𝐷𝐷)
3635ffund 6670 . . . . . . . . . 10 (𝜑 → Fun (𝐶‘⟨“𝐼𝐽”⟩))
374adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐼) → 𝐼𝐷)
3834fdmd 6677 . . . . . . . . . . . . 13 ((𝐶‘⟨“𝐼𝐽”⟩) ∈ (Base‘𝑆) → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
3919, 38syl 17 . . . . . . . . . . . 12 (𝜑 → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
4039adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐼) → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
4137, 28, 403eltr4d 2853 . . . . . . . . . 10 ((𝜑𝑥 = 𝐼) → 𝑥 ∈ dom (𝐶‘⟨“𝐼𝐽”⟩))
42 fvco 6937 . . . . . . . . . 10 ((Fun (𝐶‘⟨“𝐼𝐽”⟩) ∧ 𝑥 ∈ dom (𝐶‘⟨“𝐼𝐽”⟩)) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)))
4336, 41, 42syl2an2r 683 . . . . . . . . 9 ((𝜑𝑥 = 𝐼) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)))
4428fveq2d 6844 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐼))
451, 3, 4, 5, 7, 2cyc2fv1 31865 . . . . . . . . . . . 12 (𝜑 → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐼) = 𝐽)
4645adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐼) = 𝐽)
4744, 46eqtrd 2776 . . . . . . . . . 10 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = 𝐽)
4847fveq2d 6844 . . . . . . . . 9 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)) = ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐽))
498necomd 2998 . . . . . . . . . . 11 (𝜑𝐾𝐽)
507necomd 2998 . . . . . . . . . . 11 (𝜑𝐽𝐼)
511, 2, 3, 4, 6, 5, 17, 49, 50cyc2fvx 31878 . . . . . . . . . 10 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐽) = 𝐽)
5251adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐽) = 𝐽)
5343, 48, 523eqtrd 2780 . . . . . . . 8 ((𝜑𝑥 = 𝐼) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐽)
5433, 53eqtrd 2776 . . . . . . 7 ((𝜑𝑥 = 𝐼) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐽)
5527, 29, 543eqtr4d 2786 . . . . . 6 ((𝜑𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
5655adantlr 713 . . . . 5 (((𝜑𝑥 ∈ {𝐼, 𝐽, 𝐾}) ∧ 𝑥 = 𝐼) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
571, 2, 3, 4, 5, 6, 7, 8, 9cyc3fv2 31882 . . . . . . . 8 (𝜑 → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐽) = 𝐾)
5857adantr 481 . . . . . . 7 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐽) = 𝐾)
59 simpr 485 . . . . . . . 8 ((𝜑𝑥 = 𝐽) → 𝑥 = 𝐽)
6059fveq2d 6844 . . . . . . 7 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐽))
6131adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
6261fveq1d 6842 . . . . . . . 8 ((𝜑𝑥 = 𝐽) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
635adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐽) → 𝐽𝐷)
6439adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐽) → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
6563, 59, 643eltr4d 2853 . . . . . . . . . 10 ((𝜑𝑥 = 𝐽) → 𝑥 ∈ dom (𝐶‘⟨“𝐼𝐽”⟩))
6636, 65, 42syl2an2r 683 . . . . . . . . 9 ((𝜑𝑥 = 𝐽) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)))
6759fveq2d 6844 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐽))
681, 3, 4, 5, 7, 2cyc2fv2 31866 . . . . . . . . . . . 12 (𝜑 → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐽) = 𝐼)
6968adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐽) = 𝐼)
7067, 69eqtrd 2776 . . . . . . . . . 10 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = 𝐼)
7170fveq2d 6844 . . . . . . . . 9 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)) = ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐼))
721, 3, 4, 6, 17, 2cyc2fv1 31865 . . . . . . . . . 10 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐼) = 𝐾)
7372adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐼) = 𝐾)
7466, 71, 733eqtrd 2780 . . . . . . . 8 ((𝜑𝑥 = 𝐽) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐾)
7562, 74eqtrd 2776 . . . . . . 7 ((𝜑𝑥 = 𝐽) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐾)
7658, 60, 753eqtr4d 2786 . . . . . 6 ((𝜑𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
7776adantlr 713 . . . . 5 (((𝜑𝑥 ∈ {𝐼, 𝐽, 𝐾}) ∧ 𝑥 = 𝐽) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
781, 2, 3, 4, 5, 6, 7, 8, 9cyc3fv3 31883 . . . . . . . 8 (𝜑 → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐾) = 𝐼)
7978adantr 481 . . . . . . 7 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐾) = 𝐼)
80 simpr 485 . . . . . . . 8 ((𝜑𝑥 = 𝐾) → 𝑥 = 𝐾)
8180fveq2d 6844 . . . . . . 7 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝐾))
8231adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
8382fveq1d 6842 . . . . . . . 8 ((𝜑𝑥 = 𝐾) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
846adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐾) → 𝐾𝐷)
8539adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐾) → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
8684, 80, 853eltr4d 2853 . . . . . . . . . 10 ((𝜑𝑥 = 𝐾) → 𝑥 ∈ dom (𝐶‘⟨“𝐼𝐽”⟩))
8736, 86, 42syl2an2r 683 . . . . . . . . 9 ((𝜑𝑥 = 𝐾) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)))
8880fveq2d 6844 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐾))
891, 2, 3, 4, 5, 6, 7, 8, 9cyc2fvx 31878 . . . . . . . . . . . 12 (𝜑 → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐾) = 𝐾)
9089adantr 481 . . . . . . . . . . 11 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝐾) = 𝐾)
9188, 90eqtrd 2776 . . . . . . . . . 10 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = 𝐾)
9291fveq2d 6844 . . . . . . . . 9 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)) = ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐾))
931, 3, 4, 6, 17, 2cyc2fv2 31866 . . . . . . . . . 10 (𝜑 → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐾) = 𝐼)
9493adantr 481 . . . . . . . . 9 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝐾) = 𝐼)
9587, 92, 943eqtrd 2780 . . . . . . . 8 ((𝜑𝑥 = 𝐾) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐼)
9683, 95eqtrd 2776 . . . . . . 7 ((𝜑𝑥 = 𝐾) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝐼)
9779, 81, 963eqtr4d 2786 . . . . . 6 ((𝜑𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
9897adantlr 713 . . . . 5 (((𝜑𝑥 ∈ {𝐼, 𝐽, 𝐾}) ∧ 𝑥 = 𝐾) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
99 eltpi 4647 . . . . . 6 (𝑥 ∈ {𝐼, 𝐽, 𝐾} → (𝑥 = 𝐼𝑥 = 𝐽𝑥 = 𝐾))
10099adantl 482 . . . . 5 ((𝜑𝑥 ∈ {𝐼, 𝐽, 𝐾}) → (𝑥 = 𝐼𝑥 = 𝐽𝑥 = 𝐾))
10156, 77, 98, 100mpjao3dan 1431 . . . 4 ((𝜑𝑥 ∈ {𝐼, 𝐽, 𝐾}) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
102101adantlr 713 . . 3 (((𝜑𝑥𝐷) ∧ 𝑥 ∈ {𝐼, 𝐽, 𝐾}) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
10335adantr 481 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → (𝐶‘⟨“𝐼𝐽”⟩):𝐷𝐷)
104103ffund 6670 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → Fun (𝐶‘⟨“𝐼𝐽”⟩))
105 simpr 485 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → 𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾}))
106105eldifad 3921 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → 𝑥𝐷)
10739adantr 481 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → dom (𝐶‘⟨“𝐼𝐽”⟩) = 𝐷)
108106, 107eleqtrrd 2841 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → 𝑥 ∈ dom (𝐶‘⟨“𝐼𝐽”⟩))
109104, 108, 42syl2anc 584 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)))
1103adantr 481 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → 𝐷𝑉)
1114, 5s2cld 14757 . . . . . . . . 9 (𝜑 → ⟨“𝐼𝐽”⟩ ∈ Word 𝐷)
112111adantr 481 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐽”⟩ ∈ Word 𝐷)
1134, 5, 7s2f1 31696 . . . . . . . . 9 (𝜑 → ⟨“𝐼𝐽”⟩:dom ⟨“𝐼𝐽”⟩–1-1𝐷)
114113adantr 481 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐽”⟩:dom ⟨“𝐼𝐽”⟩–1-1𝐷)
115 tpid1g 4729 . . . . . . . . . . . . 13 (𝐼𝐷𝐼 ∈ {𝐼, 𝐽, 𝐾})
1164, 115syl 17 . . . . . . . . . . . 12 (𝜑𝐼 ∈ {𝐼, 𝐽, 𝐾})
117 tpid2g 4731 . . . . . . . . . . . . 13 (𝐽𝐷𝐽 ∈ {𝐼, 𝐽, 𝐾})
1185, 117syl 17 . . . . . . . . . . . 12 (𝜑𝐽 ∈ {𝐼, 𝐽, 𝐾})
119116, 118prssd 4781 . . . . . . . . . . 11 (𝜑 → {𝐼, 𝐽} ⊆ {𝐼, 𝐽, 𝐾})
1204, 5s2rn 31695 . . . . . . . . . . . 12 (𝜑 → ran ⟨“𝐼𝐽”⟩ = {𝐼, 𝐽})
121120eqcomd 2742 . . . . . . . . . . 11 (𝜑 → {𝐼, 𝐽} = ran ⟨“𝐼𝐽”⟩)
1224, 5, 6s3rn 31697 . . . . . . . . . . . 12 (𝜑 → ran ⟨“𝐼𝐽𝐾”⟩ = {𝐼, 𝐽, 𝐾})
123122eqcomd 2742 . . . . . . . . . . 11 (𝜑 → {𝐼, 𝐽, 𝐾} = ran ⟨“𝐼𝐽𝐾”⟩)
124119, 121, 1233sstr3d 3989 . . . . . . . . . 10 (𝜑 → ran ⟨“𝐼𝐽”⟩ ⊆ ran ⟨“𝐼𝐽𝐾”⟩)
125124adantr 481 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ran ⟨“𝐼𝐽”⟩ ⊆ ran ⟨“𝐼𝐽𝐾”⟩)
126105eldifbd 3922 . . . . . . . . . 10 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ¬ 𝑥 ∈ {𝐼, 𝐽, 𝐾})
127122adantr 481 . . . . . . . . . 10 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ran ⟨“𝐼𝐽𝐾”⟩ = {𝐼, 𝐽, 𝐾})
128126, 127neleqtrrd 2860 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ¬ 𝑥 ∈ ran ⟨“𝐼𝐽𝐾”⟩)
129125, 128ssneldd 3946 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ¬ 𝑥 ∈ ran ⟨“𝐼𝐽”⟩)
1301, 110, 112, 114, 106, 129cycpmfv3 31859 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥) = 𝑥)
131130fveq2d 6844 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐾”⟩)‘((𝐶‘⟨“𝐼𝐽”⟩)‘𝑥)) = ((𝐶‘⟨“𝐼𝐾”⟩)‘𝑥))
1324, 6s2cld 14757 . . . . . . . 8 (𝜑 → ⟨“𝐼𝐾”⟩ ∈ Word 𝐷)
133132adantr 481 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐾”⟩ ∈ Word 𝐷)
1344, 6, 17s2f1 31696 . . . . . . . 8 (𝜑 → ⟨“𝐼𝐾”⟩:dom ⟨“𝐼𝐾”⟩–1-1𝐷)
135134adantr 481 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐾”⟩:dom ⟨“𝐼𝐾”⟩–1-1𝐷)
136 tpid3g 4732 . . . . . . . . . . . 12 (𝐾𝐷𝐾 ∈ {𝐼, 𝐽, 𝐾})
1376, 136syl 17 . . . . . . . . . . 11 (𝜑𝐾 ∈ {𝐼, 𝐽, 𝐾})
138116, 137prssd 4781 . . . . . . . . . 10 (𝜑 → {𝐼, 𝐾} ⊆ {𝐼, 𝐽, 𝐾})
139138adantr 481 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → {𝐼, 𝐾} ⊆ {𝐼, 𝐽, 𝐾})
1404, 6s2rn 31695 . . . . . . . . . . 11 (𝜑 → ran ⟨“𝐼𝐾”⟩ = {𝐼, 𝐾})
141140eqcomd 2742 . . . . . . . . . 10 (𝜑 → {𝐼, 𝐾} = ran ⟨“𝐼𝐾”⟩)
142141adantr 481 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → {𝐼, 𝐾} = ran ⟨“𝐼𝐾”⟩)
143123adantr 481 . . . . . . . . 9 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → {𝐼, 𝐽, 𝐾} = ran ⟨“𝐼𝐽𝐾”⟩)
144139, 142, 1433sstr3d 3989 . . . . . . . 8 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ran ⟨“𝐼𝐾”⟩ ⊆ ran ⟨“𝐼𝐽𝐾”⟩)
145144, 128ssneldd 3946 . . . . . . 7 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ¬ 𝑥 ∈ ran ⟨“𝐼𝐾”⟩)
1461, 110, 133, 135, 106, 145cycpmfv3 31859 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐾”⟩)‘𝑥) = 𝑥)
147109, 131, 1463eqtrd 2780 . . . . 5 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = 𝑥)
14831adantr 481 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)) = ((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩)))
149148fveq1d 6842 . . . . 5 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) ∘ (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
1504, 5, 6s3cld 14758 . . . . . . 7 (𝜑 → ⟨“𝐼𝐽𝐾”⟩ ∈ Word 𝐷)
151150adantr 481 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐽𝐾”⟩ ∈ Word 𝐷)
1524, 5, 6, 7, 8, 9s3f1 31698 . . . . . . 7 (𝜑 → ⟨“𝐼𝐽𝐾”⟩:dom ⟨“𝐼𝐽𝐾”⟩–1-1𝐷)
153152adantr 481 . . . . . 6 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ⟨“𝐼𝐽𝐾”⟩:dom ⟨“𝐼𝐽𝐾”⟩–1-1𝐷)
1541, 110, 151, 153, 106, 128cycpmfv3 31859 . . . . 5 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = 𝑥)
155147, 149, 1543eqtr4rd 2787 . . . 4 ((𝜑𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
156155adantlr 713 . . 3 (((𝜑𝑥𝐷) ∧ 𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
157 tpssi 4795 . . . . . . . 8 ((𝐼𝐷𝐽𝐷𝐾𝐷) → {𝐼, 𝐽, 𝐾} ⊆ 𝐷)
1584, 5, 6, 157syl3anc 1371 . . . . . . 7 (𝜑 → {𝐼, 𝐽, 𝐾} ⊆ 𝐷)
159 undif 4440 . . . . . . 7 ({𝐼, 𝐽, 𝐾} ⊆ 𝐷 ↔ ({𝐼, 𝐽, 𝐾} ∪ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) = 𝐷)
160158, 159sylib 217 . . . . . 6 (𝜑 → ({𝐼, 𝐽, 𝐾} ∪ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) = 𝐷)
161160eleq2d 2823 . . . . 5 (𝜑 → (𝑥 ∈ ({𝐼, 𝐽, 𝐾} ∪ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) ↔ 𝑥𝐷))
162161biimpar 478 . . . 4 ((𝜑𝑥𝐷) → 𝑥 ∈ ({𝐼, 𝐽, 𝐾} ∪ (𝐷 ∖ {𝐼, 𝐽, 𝐾})))
163 elun 4107 . . . 4 (𝑥 ∈ ({𝐼, 𝐽, 𝐾} ∪ (𝐷 ∖ {𝐼, 𝐽, 𝐾})) ↔ (𝑥 ∈ {𝐼, 𝐽, 𝐾} ∨ 𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})))
164162, 163sylib 217 . . 3 ((𝜑𝑥𝐷) → (𝑥 ∈ {𝐼, 𝐽, 𝐾} ∨ 𝑥 ∈ (𝐷 ∖ {𝐼, 𝐽, 𝐾})))
165102, 156, 164mpjaodan 957 . 2 ((𝜑𝑥𝐷) → ((𝐶‘⟨“𝐼𝐽𝐾”⟩)‘𝑥) = (((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩))‘𝑥))
16614, 25, 165eqfnfvd 6983 1 (𝜑 → (𝐶‘⟨“𝐼𝐽𝐾”⟩) = ((𝐶‘⟨“𝐼𝐾”⟩) · (𝐶‘⟨“𝐼𝐽”⟩)))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 396  wo 845  w3o 1086   = wceq 1541  wcel 2106  wne 2942  cdif 3906  cun 3907  wss 3909  {cpr 4587  {ctp 4589  dom cdm 5632  ran crn 5633  ccom 5636  Fun wfun 6488  wf 6490  1-1wf1 6491  cfv 6494  (class class class)co 7354  Word cword 14399  ⟨“cs2 14727  ⟨“cs3 14728  Basecbs 17080  +gcplusg 17130  Grpcgrp 18745  SymGrpcsymg 19144  toCycctocyc 31850
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1913  ax-6 1971  ax-7 2011  ax-8 2108  ax-9 2116  ax-10 2137  ax-11 2154  ax-12 2171  ax-ext 2707  ax-rep 5241  ax-sep 5255  ax-nul 5262  ax-pow 5319  ax-pr 5383  ax-un 7669  ax-cnex 11104  ax-resscn 11105  ax-1cn 11106  ax-icn 11107  ax-addcl 11108  ax-addrcl 11109  ax-mulcl 11110  ax-mulrcl 11111  ax-mulcom 11112  ax-addass 11113  ax-mulass 11114  ax-distr 11115  ax-i2m1 11116  ax-1ne0 11117  ax-1rid 11118  ax-rnegex 11119  ax-rrecex 11120  ax-cnre 11121  ax-pre-lttri 11122  ax-pre-lttrn 11123  ax-pre-ltadd 11124  ax-pre-mulgt0 11125  ax-pre-sup 11126
This theorem depends on definitions:  df-bi 206  df-an 397  df-or 846  df-3or 1088  df-3an 1089  df-tru 1544  df-fal 1554  df-ex 1782  df-nf 1786  df-sb 2068  df-mo 2538  df-eu 2567  df-clab 2714  df-cleq 2728  df-clel 2814  df-nfc 2888  df-ne 2943  df-nel 3049  df-ral 3064  df-rex 3073  df-rmo 3352  df-reu 3353  df-rab 3407  df-v 3446  df-sbc 3739  df-csb 3855  df-dif 3912  df-un 3914  df-in 3916  df-ss 3926  df-pss 3928  df-nul 4282  df-if 4486  df-pw 4561  df-sn 4586  df-pr 4588  df-tp 4590  df-op 4592  df-uni 4865  df-int 4907  df-iun 4955  df-br 5105  df-opab 5167  df-mpt 5188  df-tr 5222  df-id 5530  df-eprel 5536  df-po 5544  df-so 5545  df-fr 5587  df-we 5589  df-xp 5638  df-rel 5639  df-cnv 5640  df-co 5641  df-dm 5642  df-rn 5643  df-res 5644  df-ima 5645  df-pred 6252  df-ord 6319  df-on 6320  df-lim 6321  df-suc 6322  df-iota 6446  df-fun 6496  df-fn 6497  df-f 6498  df-f1 6499  df-fo 6500  df-f1o 6501  df-fv 6502  df-riota 7310  df-ov 7357  df-oprab 7358  df-mpo 7359  df-om 7800  df-1st 7918  df-2nd 7919  df-frecs 8209  df-wrecs 8240  df-recs 8314  df-rdg 8353  df-1o 8409  df-er 8645  df-map 8764  df-en 8881  df-dom 8882  df-sdom 8883  df-fin 8884  df-sup 9375  df-inf 9376  df-card 9872  df-pnf 11188  df-mnf 11189  df-xr 11190  df-ltxr 11191  df-le 11192  df-sub 11384  df-neg 11385  df-div 11810  df-nn 12151  df-2 12213  df-3 12214  df-4 12215  df-5 12216  df-6 12217  df-7 12218  df-8 12219  df-9 12220  df-n0 12411  df-z 12497  df-uz 12761  df-rp 12913  df-fz 13422  df-fzo 13565  df-fl 13694  df-mod 13772  df-hash 14228  df-word 14400  df-concat 14456  df-s1 14481  df-substr 14526  df-pfx 14556  df-csh 14674  df-s2 14734  df-s3 14735  df-struct 17016  df-sets 17033  df-slot 17051  df-ndx 17063  df-base 17081  df-ress 17110  df-plusg 17143  df-tset 17149  df-0g 17320  df-mgm 18494  df-sgrp 18543  df-mnd 18554  df-efmnd 18676  df-grp 18748  df-symg 19145  df-tocyc 31851
This theorem is referenced by:  cyc3evpm  31894  cyc3genpmlem  31895
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