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Mirrors > Home > MPE Home > Th. List > Mathboxes > sseqmw | Structured version Visualization version GIF version |
Description: Lemma for sseqf 32820 amd sseqp1 32823. (Contributed by Thierry Arnoux, 25-Apr-2019.) |
Ref | Expression |
---|---|
sseqval.1 | ⊢ (𝜑 → 𝑆 ∈ V) |
sseqval.2 | ⊢ (𝜑 → 𝑀 ∈ Word 𝑆) |
sseqval.3 | ⊢ 𝑊 = (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) |
sseqval.4 | ⊢ (𝜑 → 𝐹:𝑊⟶𝑆) |
Ref | Expression |
---|---|
sseqmw | ⊢ (𝜑 → 𝑀 ∈ 𝑊) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | sseqval.2 | . . 3 ⊢ (𝜑 → 𝑀 ∈ Word 𝑆) | |
2 | elex 3461 | . . . . 5 ⊢ (𝑀 ∈ Word 𝑆 → 𝑀 ∈ V) | |
3 | 1, 2 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑀 ∈ V) |
4 | lencl 14375 | . . . . . 6 ⊢ (𝑀 ∈ Word 𝑆 → (♯‘𝑀) ∈ ℕ0) | |
5 | 4 | nn0zd 12483 | . . . . 5 ⊢ (𝑀 ∈ Word 𝑆 → (♯‘𝑀) ∈ ℤ) |
6 | uzid 12736 | . . . . 5 ⊢ ((♯‘𝑀) ∈ ℤ → (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀))) | |
7 | 1, 5, 6 | 3syl 18 | . . . 4 ⊢ (𝜑 → (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀))) |
8 | hashf 14192 | . . . . 5 ⊢ ♯:V⟶(ℕ0 ∪ {+∞}) | |
9 | ffn 6665 | . . . . 5 ⊢ (♯:V⟶(ℕ0 ∪ {+∞}) → ♯ Fn V) | |
10 | elpreima 7005 | . . . . 5 ⊢ (♯ Fn V → (𝑀 ∈ (◡♯ “ (ℤ≥‘(♯‘𝑀))) ↔ (𝑀 ∈ V ∧ (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀))))) | |
11 | 8, 9, 10 | mp2b 10 | . . . 4 ⊢ (𝑀 ∈ (◡♯ “ (ℤ≥‘(♯‘𝑀))) ↔ (𝑀 ∈ V ∧ (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀)))) |
12 | 3, 7, 11 | sylanbrc 583 | . . 3 ⊢ (𝜑 → 𝑀 ∈ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) |
13 | 1, 12 | elind 4152 | . 2 ⊢ (𝜑 → 𝑀 ∈ (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀))))) |
14 | sseqval.3 | . 2 ⊢ 𝑊 = (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) | |
15 | 13, 14 | eleqtrrdi 2849 | 1 ⊢ (𝜑 → 𝑀 ∈ 𝑊) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 Vcvv 3443 ∪ cun 3906 ∩ cin 3907 {csn 4584 ◡ccnv 5630 “ cima 5634 Fn wfn 6488 ⟶wf 6489 ‘cfv 6493 +∞cpnf 11144 ℕ0cn0 12371 ℤcz 12457 ℤ≥cuz 12721 ♯chash 14184 Word cword 14356 |
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 5240 ax-sep 5254 ax-nul 5261 ax-pow 5318 ax-pr 5382 ax-un 7664 ax-cnex 11065 ax-resscn 11066 ax-1cn 11067 ax-icn 11068 ax-addcl 11069 ax-addrcl 11070 ax-mulcl 11071 ax-mulrcl 11072 ax-mulcom 11073 ax-addass 11074 ax-mulass 11075 ax-distr 11076 ax-i2m1 11077 ax-1ne0 11078 ax-1rid 11079 ax-rnegex 11080 ax-rrecex 11081 ax-cnre 11082 ax-pre-lttri 11083 ax-pre-lttrn 11084 ax-pre-ltadd 11085 ax-pre-mulgt0 11086 |
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 2887 df-ne 2942 df-nel 3048 df-ral 3063 df-rex 3072 df-reu 3352 df-rab 3406 df-v 3445 df-sbc 3738 df-csb 3854 df-dif 3911 df-un 3913 df-in 3915 df-ss 3925 df-pss 3927 df-nul 4281 df-if 4485 df-pw 4560 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4864 df-int 4906 df-iun 4954 df-br 5104 df-opab 5166 df-mpt 5187 df-tr 5221 df-id 5529 df-eprel 5535 df-po 5543 df-so 5544 df-fr 5586 df-we 5588 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6251 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6445 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-riota 7307 df-ov 7354 df-oprab 7355 df-mpo 7356 df-om 7795 df-1st 7913 df-2nd 7914 df-frecs 8204 df-wrecs 8235 df-recs 8309 df-rdg 8348 df-1o 8404 df-er 8606 df-en 8842 df-dom 8843 df-sdom 8844 df-fin 8845 df-card 9833 df-pnf 11149 df-mnf 11150 df-xr 11151 df-ltxr 11152 df-le 11153 df-sub 11345 df-neg 11346 df-nn 12112 df-n0 12372 df-xnn0 12444 df-z 12458 df-uz 12722 df-fz 13379 df-fzo 13522 df-hash 14185 df-word 14357 |
This theorem is referenced by: sseqf 32820 |
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