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Mirrors > Home > MPE Home > Th. List > ramtlecl | Structured version Visualization version GIF version |
Description: The set 𝑇 of numbers with the Ramsey number property is upward-closed. (Contributed by Mario Carneiro, 21-Apr-2015.) |
Ref | Expression |
---|---|
ramtlecl.t | ⊢ 𝑇 = {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑)} |
Ref | Expression |
---|---|
ramtlecl | ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ 𝑇) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | breq1 4688 | . . . . . . . 8 ⊢ (𝑛 = 𝑀 → (𝑛 ≤ (#‘𝑠) ↔ 𝑀 ≤ (#‘𝑠))) | |
2 | 1 | imbi1d 330 | . . . . . . 7 ⊢ (𝑛 = 𝑀 → ((𝑛 ≤ (#‘𝑠) → 𝜑) ↔ (𝑀 ≤ (#‘𝑠) → 𝜑))) |
3 | 2 | albidv 1889 | . . . . . 6 ⊢ (𝑛 = 𝑀 → (∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑) ↔ ∀𝑠(𝑀 ≤ (#‘𝑠) → 𝜑))) |
4 | ramtlecl.t | . . . . . 6 ⊢ 𝑇 = {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑)} | |
5 | 3, 4 | elrab2 3399 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 ↔ (𝑀 ∈ ℕ0 ∧ ∀𝑠(𝑀 ≤ (#‘𝑠) → 𝜑))) |
6 | 5 | simplbi 475 | . . . 4 ⊢ (𝑀 ∈ 𝑇 → 𝑀 ∈ ℕ0) |
7 | eluznn0 11795 | . . . . . 6 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) | |
8 | 7 | ex 449 | . . . . 5 ⊢ (𝑀 ∈ ℕ0 → (𝑛 ∈ (ℤ≥‘𝑀) → 𝑛 ∈ ℕ0)) |
9 | 8 | ssrdv 3642 | . . . 4 ⊢ (𝑀 ∈ ℕ0 → (ℤ≥‘𝑀) ⊆ ℕ0) |
10 | 6, 9 | syl 17 | . . 3 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ ℕ0) |
11 | 5 | simprbi 479 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 → ∀𝑠(𝑀 ≤ (#‘𝑠) → 𝜑)) |
12 | eluzle 11738 | . . . . . . . . . 10 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → 𝑀 ≤ 𝑛) | |
13 | 12 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ≤ 𝑛) |
14 | nn0ssre 11334 | . . . . . . . . . . . 12 ⊢ ℕ0 ⊆ ℝ | |
15 | ressxr 10121 | . . . . . . . . . . . 12 ⊢ ℝ ⊆ ℝ* | |
16 | 14, 15 | sstri 3645 | . . . . . . . . . . 11 ⊢ ℕ0 ⊆ ℝ* |
17 | 6 | adantr 480 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℕ0) |
18 | 16, 17 | sseldi 3634 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℝ*) |
19 | 6, 7 | sylan 487 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) |
20 | 16, 19 | sseldi 3634 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℝ*) |
21 | vex 3234 | . . . . . . . . . . 11 ⊢ 𝑠 ∈ V | |
22 | hashxrcl 13186 | . . . . . . . . . . 11 ⊢ (𝑠 ∈ V → (#‘𝑠) ∈ ℝ*) | |
23 | 21, 22 | mp1i 13 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → (#‘𝑠) ∈ ℝ*) |
24 | xrletr 12027 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℝ* ∧ 𝑛 ∈ ℝ* ∧ (#‘𝑠) ∈ ℝ*) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (#‘𝑠)) → 𝑀 ≤ (#‘𝑠))) | |
25 | 18, 20, 23, 24 | syl3anc 1366 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (#‘𝑠)) → 𝑀 ≤ (#‘𝑠))) |
26 | 13, 25 | mpand 711 | . . . . . . . 8 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → (𝑛 ≤ (#‘𝑠) → 𝑀 ≤ (#‘𝑠))) |
27 | 26 | imim1d 82 | . . . . . . 7 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → ((𝑀 ≤ (#‘𝑠) → 𝜑) → (𝑛 ≤ (#‘𝑠) → 𝜑))) |
28 | 27 | ralrimdva 2998 | . . . . . 6 ⊢ (𝑀 ∈ 𝑇 → ((𝑀 ≤ (#‘𝑠) → 𝜑) → ∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (#‘𝑠) → 𝜑))) |
29 | 28 | alimdv 1885 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 → (∀𝑠(𝑀 ≤ (#‘𝑠) → 𝜑) → ∀𝑠∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (#‘𝑠) → 𝜑))) |
30 | 11, 29 | mpd 15 | . . . 4 ⊢ (𝑀 ∈ 𝑇 → ∀𝑠∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (#‘𝑠) → 𝜑)) |
31 | ralcom4 3255 | . . . 4 ⊢ (∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑) ↔ ∀𝑠∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (#‘𝑠) → 𝜑)) | |
32 | 30, 31 | sylibr 224 | . . 3 ⊢ (𝑀 ∈ 𝑇 → ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑)) |
33 | ssrab 3713 | . . 3 ⊢ ((ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑)} ↔ ((ℤ≥‘𝑀) ⊆ ℕ0 ∧ ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑))) | |
34 | 10, 32, 33 | sylanbrc 699 | . 2 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (#‘𝑠) → 𝜑)}) |
35 | 34, 4 | syl6sseqr 3685 | 1 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ 𝑇) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 383 ∀wal 1521 = wceq 1523 ∈ wcel 2030 ∀wral 2941 {crab 2945 Vcvv 3231 ⊆ wss 3607 class class class wbr 4685 ‘cfv 5926 ℝcr 9973 ℝ*cxr 10111 ≤ cle 10113 ℕ0cn0 11330 ℤ≥cuz 11725 #chash 13157 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1762 ax-4 1777 ax-5 1879 ax-6 1945 ax-7 1981 ax-8 2032 ax-9 2039 ax-10 2059 ax-11 2074 ax-12 2087 ax-13 2282 ax-ext 2631 ax-sep 4814 ax-nul 4822 ax-pow 4873 ax-pr 4936 ax-un 6991 ax-cnex 10030 ax-resscn 10031 ax-1cn 10032 ax-icn 10033 ax-addcl 10034 ax-addrcl 10035 ax-mulcl 10036 ax-mulrcl 10037 ax-mulcom 10038 ax-addass 10039 ax-mulass 10040 ax-distr 10041 ax-i2m1 10042 ax-1ne0 10043 ax-1rid 10044 ax-rnegex 10045 ax-rrecex 10046 ax-cnre 10047 ax-pre-lttri 10048 ax-pre-lttrn 10049 ax-pre-ltadd 10050 ax-pre-mulgt0 10051 |
This theorem depends on definitions: df-bi 197 df-or 384 df-an 385 df-3or 1055 df-3an 1056 df-tru 1526 df-ex 1745 df-nf 1750 df-sb 1938 df-eu 2502 df-mo 2503 df-clab 2638 df-cleq 2644 df-clel 2647 df-nfc 2782 df-ne 2824 df-nel 2927 df-ral 2946 df-rex 2947 df-reu 2948 df-rab 2950 df-v 3233 df-sbc 3469 df-csb 3567 df-dif 3610 df-un 3612 df-in 3614 df-ss 3621 df-pss 3623 df-nul 3949 df-if 4120 df-pw 4193 df-sn 4211 df-pr 4213 df-tp 4215 df-op 4217 df-uni 4469 df-int 4508 df-iun 4554 df-br 4686 df-opab 4746 df-mpt 4763 df-tr 4786 df-id 5053 df-eprel 5058 df-po 5064 df-so 5065 df-fr 5102 df-we 5104 df-xp 5149 df-rel 5150 df-cnv 5151 df-co 5152 df-dm 5153 df-rn 5154 df-res 5155 df-ima 5156 df-pred 5718 df-ord 5764 df-on 5765 df-lim 5766 df-suc 5767 df-iota 5889 df-fun 5928 df-fn 5929 df-f 5930 df-f1 5931 df-fo 5932 df-f1o 5933 df-fv 5934 df-riota 6651 df-ov 6693 df-oprab 6694 df-mpt2 6695 df-om 7108 df-wrecs 7452 df-recs 7513 df-rdg 7551 df-er 7787 df-en 7998 df-dom 7999 df-sdom 8000 df-fin 8001 df-card 8803 df-pnf 10114 df-mnf 10115 df-xr 10116 df-ltxr 10117 df-le 10118 df-sub 10306 df-neg 10307 df-nn 11059 df-n0 11331 df-xnn0 11402 df-z 11416 df-uz 11726 df-hash 13158 |
This theorem is referenced by: (None) |
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