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Mirrors > Home > MPE Home > Th. List > Mathboxes > sseqmw | Structured version Visualization version GIF version |
Description: Lemma for sseqf 31879 amd sseqp1 31882. (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 3429 | . . . . 5 ⊢ (𝑀 ∈ Word 𝑆 → 𝑀 ∈ V) | |
3 | 1, 2 | syl 17 | . . . 4 ⊢ (𝜑 → 𝑀 ∈ V) |
4 | lencl 13933 | . . . . . 6 ⊢ (𝑀 ∈ Word 𝑆 → (♯‘𝑀) ∈ ℕ0) | |
5 | 4 | nn0zd 12125 | . . . . 5 ⊢ (𝑀 ∈ Word 𝑆 → (♯‘𝑀) ∈ ℤ) |
6 | uzid 12298 | . . . . 5 ⊢ ((♯‘𝑀) ∈ ℤ → (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀))) | |
7 | 1, 5, 6 | 3syl 18 | . . . 4 ⊢ (𝜑 → (♯‘𝑀) ∈ (ℤ≥‘(♯‘𝑀))) |
8 | hashf 13749 | . . . . 5 ⊢ ♯:V⟶(ℕ0 ∪ {+∞}) | |
9 | ffn 6499 | . . . . 5 ⊢ (♯:V⟶(ℕ0 ∪ {+∞}) → ♯ Fn V) | |
10 | elpreima 6820 | . . . . 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 587 | . . 3 ⊢ (𝜑 → 𝑀 ∈ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) |
13 | 1, 12 | elind 4100 | . 2 ⊢ (𝜑 → 𝑀 ∈ (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀))))) |
14 | sseqval.3 | . 2 ⊢ 𝑊 = (Word 𝑆 ∩ (◡♯ “ (ℤ≥‘(♯‘𝑀)))) | |
15 | 13, 14 | eleqtrrdi 2864 | 1 ⊢ (𝜑 → 𝑀 ∈ 𝑊) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1539 ∈ wcel 2112 Vcvv 3410 ∪ cun 3857 ∩ cin 3858 {csn 4523 ◡ccnv 5524 “ cima 5528 Fn wfn 6331 ⟶wf 6332 ‘cfv 6336 +∞cpnf 10711 ℕ0cn0 11935 ℤcz 12021 ℤ≥cuz 12283 ♯chash 13741 Word cword 13914 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-rep 5157 ax-sep 5170 ax-nul 5177 ax-pow 5235 ax-pr 5299 ax-un 7460 ax-cnex 10632 ax-resscn 10633 ax-1cn 10634 ax-icn 10635 ax-addcl 10636 ax-addrcl 10637 ax-mulcl 10638 ax-mulrcl 10639 ax-mulcom 10640 ax-addass 10641 ax-mulass 10642 ax-distr 10643 ax-i2m1 10644 ax-1ne0 10645 ax-1rid 10646 ax-rnegex 10647 ax-rrecex 10648 ax-cnre 10649 ax-pre-lttri 10650 ax-pre-lttrn 10651 ax-pre-ltadd 10652 ax-pre-mulgt0 10653 |
This theorem depends on definitions: df-bi 210 df-an 401 df-or 846 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rab 3080 df-v 3412 df-sbc 3698 df-csb 3807 df-dif 3862 df-un 3864 df-in 3866 df-ss 3876 df-pss 3878 df-nul 4227 df-if 4422 df-pw 4497 df-sn 4524 df-pr 4526 df-tp 4528 df-op 4530 df-uni 4800 df-int 4840 df-iun 4886 df-br 5034 df-opab 5096 df-mpt 5114 df-tr 5140 df-id 5431 df-eprel 5436 df-po 5444 df-so 5445 df-fr 5484 df-we 5486 df-xp 5531 df-rel 5532 df-cnv 5533 df-co 5534 df-dm 5535 df-rn 5536 df-res 5537 df-ima 5538 df-pred 6127 df-ord 6173 df-on 6174 df-lim 6175 df-suc 6176 df-iota 6295 df-fun 6338 df-fn 6339 df-f 6340 df-f1 6341 df-fo 6342 df-f1o 6343 df-fv 6344 df-riota 7109 df-ov 7154 df-oprab 7155 df-mpo 7156 df-om 7581 df-1st 7694 df-2nd 7695 df-wrecs 7958 df-recs 8019 df-rdg 8057 df-1o 8113 df-er 8300 df-en 8529 df-dom 8530 df-sdom 8531 df-fin 8532 df-card 9402 df-pnf 10716 df-mnf 10717 df-xr 10718 df-ltxr 10719 df-le 10720 df-sub 10911 df-neg 10912 df-nn 11676 df-n0 11936 df-xnn0 12008 df-z 12022 df-uz 12284 df-fz 12941 df-fzo 13084 df-hash 13742 df-word 13915 |
This theorem is referenced by: sseqf 31879 |
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