Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > cyc2fv2 | Structured version Visualization version GIF version |
Description: Function value of a 2-cycle at the second point. (Contributed by Thierry Arnoux, 24-Sep-2023.) |
Ref | Expression |
---|---|
cycpm2.c | ⊢ 𝐶 = (toCyc‘𝐷) |
cycpm2.d | ⊢ (𝜑 → 𝐷 ∈ 𝑉) |
cycpm2.i | ⊢ (𝜑 → 𝐼 ∈ 𝐷) |
cycpm2.j | ⊢ (𝜑 → 𝐽 ∈ 𝐷) |
cycpm2.1 | ⊢ (𝜑 → 𝐼 ≠ 𝐽) |
cycpm2cl.s | ⊢ 𝑆 = (SymGrp‘𝐷) |
Ref | Expression |
---|---|
cyc2fv2 | ⊢ (𝜑 → ((𝐶‘〈“𝐼𝐽”〉)‘𝐽) = 𝐼) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cycpm2.c | . . 3 ⊢ 𝐶 = (toCyc‘𝐷) | |
2 | cycpm2.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ 𝑉) | |
3 | cycpm2.i | . . . 4 ⊢ (𝜑 → 𝐼 ∈ 𝐷) | |
4 | cycpm2.j | . . . 4 ⊢ (𝜑 → 𝐽 ∈ 𝐷) | |
5 | 3, 4 | s2cld 14229 | . . 3 ⊢ (𝜑 → 〈“𝐼𝐽”〉 ∈ Word 𝐷) |
6 | cycpm2.1 | . . . 4 ⊢ (𝜑 → 𝐼 ≠ 𝐽) | |
7 | 3, 4, 6 | s2f1 30621 | . . 3 ⊢ (𝜑 → 〈“𝐼𝐽”〉:dom 〈“𝐼𝐽”〉–1-1→𝐷) |
8 | 2pos 11738 | . . . . 5 ⊢ 0 < 2 | |
9 | s2len 14247 | . . . . 5 ⊢ (♯‘〈“𝐼𝐽”〉) = 2 | |
10 | 8, 9 | breqtrri 5090 | . . . 4 ⊢ 0 < (♯‘〈“𝐼𝐽”〉) |
11 | 10 | a1i 11 | . . 3 ⊢ (𝜑 → 0 < (♯‘〈“𝐼𝐽”〉)) |
12 | 9 | oveq1i 7163 | . . . . 5 ⊢ ((♯‘〈“𝐼𝐽”〉) − 1) = (2 − 1) |
13 | 2m1e1 11761 | . . . . 5 ⊢ (2 − 1) = 1 | |
14 | 12, 13 | eqtr2i 2844 | . . . 4 ⊢ 1 = ((♯‘〈“𝐼𝐽”〉) − 1) |
15 | 14 | a1i 11 | . . 3 ⊢ (𝜑 → 1 = ((♯‘〈“𝐼𝐽”〉) − 1)) |
16 | 1, 2, 5, 7, 11, 15 | cycpmfv2 30777 | . 2 ⊢ (𝜑 → ((𝐶‘〈“𝐼𝐽”〉)‘(〈“𝐼𝐽”〉‘1)) = (〈“𝐼𝐽”〉‘0)) |
17 | s2fv1 14246 | . . . 4 ⊢ (𝐽 ∈ 𝐷 → (〈“𝐼𝐽”〉‘1) = 𝐽) | |
18 | 4, 17 | syl 17 | . . 3 ⊢ (𝜑 → (〈“𝐼𝐽”〉‘1) = 𝐽) |
19 | 18 | fveq2d 6671 | . 2 ⊢ (𝜑 → ((𝐶‘〈“𝐼𝐽”〉)‘(〈“𝐼𝐽”〉‘1)) = ((𝐶‘〈“𝐼𝐽”〉)‘𝐽)) |
20 | s2fv0 14245 | . . 3 ⊢ (𝐼 ∈ 𝐷 → (〈“𝐼𝐽”〉‘0) = 𝐼) | |
21 | 3, 20 | syl 17 | . 2 ⊢ (𝜑 → (〈“𝐼𝐽”〉‘0) = 𝐼) |
22 | 16, 19, 21 | 3eqtr3d 2863 | 1 ⊢ (𝜑 → ((𝐶‘〈“𝐼𝐽”〉)‘𝐽) = 𝐼) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2113 ≠ wne 3015 class class class wbr 5063 ‘cfv 6352 (class class class)co 7153 0cc0 10534 1c1 10535 < clt 10672 − cmin 10867 2c2 11690 ♯chash 13688 〈“cs2 14199 SymGrpcsymg 18491 toCycctocyc 30769 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-rep 5187 ax-sep 5200 ax-nul 5207 ax-pow 5263 ax-pr 5327 ax-un 7458 ax-cnex 10590 ax-resscn 10591 ax-1cn 10592 ax-icn 10593 ax-addcl 10594 ax-addrcl 10595 ax-mulcl 10596 ax-mulrcl 10597 ax-mulcom 10598 ax-addass 10599 ax-mulass 10600 ax-distr 10601 ax-i2m1 10602 ax-1ne0 10603 ax-1rid 10604 ax-rnegex 10605 ax-rrecex 10606 ax-cnre 10607 ax-pre-lttri 10608 ax-pre-lttrn 10609 ax-pre-ltadd 10610 ax-pre-mulgt0 10611 ax-pre-sup 10612 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-ne 3016 df-nel 3123 df-ral 3142 df-rex 3143 df-reu 3144 df-rmo 3145 df-rab 3146 df-v 3495 df-sbc 3771 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4465 df-pw 4538 df-sn 4565 df-pr 4567 df-tp 4569 df-op 4571 df-uni 4836 df-int 4874 df-iun 4918 df-br 5064 df-opab 5126 df-mpt 5144 df-tr 5170 df-id 5457 df-eprel 5462 df-po 5471 df-so 5472 df-fr 5511 df-we 5513 df-xp 5558 df-rel 5559 df-cnv 5560 df-co 5561 df-dm 5562 df-rn 5563 df-res 5564 df-ima 5565 df-pred 6145 df-ord 6191 df-on 6192 df-lim 6193 df-suc 6194 df-iota 6311 df-fun 6354 df-fn 6355 df-f 6356 df-f1 6357 df-fo 6358 df-f1o 6359 df-fv 6360 df-riota 7111 df-ov 7156 df-oprab 7157 df-mpo 7158 df-om 7578 df-1st 7686 df-2nd 7687 df-wrecs 7944 df-recs 8005 df-rdg 8043 df-1o 8099 df-oadd 8103 df-er 8286 df-map 8405 df-en 8507 df-dom 8508 df-sdom 8509 df-fin 8510 df-sup 8903 df-inf 8904 df-card 9365 df-pnf 10674 df-mnf 10675 df-xr 10676 df-ltxr 10677 df-le 10678 df-sub 10869 df-neg 10870 df-div 11295 df-nn 11636 df-2 11698 df-n0 11896 df-z 11980 df-uz 12242 df-rp 12388 df-fz 12891 df-fzo 13032 df-fl 13160 df-mod 13236 df-hash 13689 df-word 13860 df-concat 13919 df-s1 13946 df-substr 13999 df-pfx 14029 df-csh 14147 df-s2 14206 df-tocyc 30770 |
This theorem is referenced by: cycpmco2 30796 cyc3co2 30803 |
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