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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 5144 | . . . . . . . 8 ⊢ (𝑛 = 𝑀 → (𝑛 ≤ (♯‘𝑠) ↔ 𝑀 ≤ (♯‘𝑠))) | |
2 | 1 | imbi1d 340 | . . . . . . 7 ⊢ (𝑛 = 𝑀 → ((𝑛 ≤ (♯‘𝑠) → 𝜑) ↔ (𝑀 ≤ (♯‘𝑠) → 𝜑))) |
3 | 2 | albidv 1915 | . . . . . 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 3677 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 ↔ (𝑀 ∈ ℕ0 ∧ ∀𝑠(𝑀 ≤ (♯‘𝑠) → 𝜑))) |
6 | 5 | simplbi 496 | . . . 4 ⊢ (𝑀 ∈ 𝑇 → 𝑀 ∈ ℕ0) |
7 | eluznn0 12929 | . . . . . 6 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) | |
8 | 7 | ex 411 | . . . . 5 ⊢ (𝑀 ∈ ℕ0 → (𝑛 ∈ (ℤ≥‘𝑀) → 𝑛 ∈ ℕ0)) |
9 | 8 | ssrdv 3978 | . . . 4 ⊢ (𝑀 ∈ ℕ0 → (ℤ≥‘𝑀) ⊆ ℕ0) |
10 | 6, 9 | syl 17 | . . 3 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ ℕ0) |
11 | 5 | simprbi 495 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 → ∀𝑠(𝑀 ≤ (♯‘𝑠) → 𝜑)) |
12 | eluzle 12863 | . . . . . . . . . 10 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → 𝑀 ≤ 𝑛) | |
13 | 12 | adantl 480 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ≤ 𝑛) |
14 | nn0ssre 12504 | . . . . . . . . . . . 12 ⊢ ℕ0 ⊆ ℝ | |
15 | ressxr 11286 | . . . . . . . . . . . 12 ⊢ ℝ ⊆ ℝ* | |
16 | 14, 15 | sstri 3981 | . . . . . . . . . . 11 ⊢ ℕ0 ⊆ ℝ* |
17 | 6 | adantr 479 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℕ0) |
18 | 16, 17 | sselid 3970 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℝ*) |
19 | 6, 7 | sylan 578 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) |
20 | 16, 19 | sselid 3970 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℝ*) |
21 | vex 3467 | . . . . . . . . . . 11 ⊢ 𝑠 ∈ V | |
22 | hashxrcl 14346 | . . . . . . . . . . 11 ⊢ (𝑠 ∈ V → (♯‘𝑠) ∈ ℝ*) | |
23 | 21, 22 | mp1i 13 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → (♯‘𝑠) ∈ ℝ*) |
24 | xrletr 13167 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℝ* ∧ 𝑛 ∈ ℝ* ∧ (♯‘𝑠) ∈ ℝ*) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (♯‘𝑠)) → 𝑀 ≤ (♯‘𝑠))) | |
25 | 18, 20, 23, 24 | syl3anc 1368 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (♯‘𝑠)) → 𝑀 ≤ (♯‘𝑠))) |
26 | 13, 25 | mpand 693 | . . . . . . . 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 3144 | . . . . . 6 ⊢ (𝑀 ∈ 𝑇 → ((𝑀 ≤ (♯‘𝑠) → 𝜑) → ∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (♯‘𝑠) → 𝜑))) |
29 | 28 | alimdv 1911 | . . . . 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 3274 | . . . 4 ⊢ (∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑) ↔ ∀𝑠∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (♯‘𝑠) → 𝜑)) | |
32 | 30, 31 | sylibr 233 | . . 3 ⊢ (𝑀 ∈ 𝑇 → ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)) |
33 | ssrab 4060 | . . 3 ⊢ ((ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)} ↔ ((ℤ≥‘𝑀) ⊆ ℕ0 ∧ ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑))) | |
34 | 10, 32, 33 | sylanbrc 581 | . 2 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)}) |
35 | 34, 4 | sseqtrrdi 4023 | 1 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ 𝑇) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 394 ∀wal 1531 = wceq 1533 ∈ wcel 2098 ∀wral 3051 {crab 3419 Vcvv 3463 ⊆ wss 3939 class class class wbr 5141 ‘cfv 6541 ℝcr 11135 ℝ*cxr 11275 ≤ cle 11277 ℕ0cn0 12500 ℤ≥cuz 12850 ♯chash 14319 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-sep 5292 ax-nul 5299 ax-pow 5357 ax-pr 5421 ax-un 7736 ax-cnex 11192 ax-resscn 11193 ax-1cn 11194 ax-icn 11195 ax-addcl 11196 ax-addrcl 11197 ax-mulcl 11198 ax-mulrcl 11199 ax-mulcom 11200 ax-addass 11201 ax-mulass 11202 ax-distr 11203 ax-i2m1 11204 ax-1ne0 11205 ax-1rid 11206 ax-rnegex 11207 ax-rrecex 11208 ax-cnre 11209 ax-pre-lttri 11210 ax-pre-lttrn 11211 ax-pre-ltadd 11212 ax-pre-mulgt0 11213 |
This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2931 df-nel 3037 df-ral 3052 df-rex 3061 df-reu 3365 df-rab 3420 df-v 3465 df-sbc 3769 df-csb 3885 df-dif 3942 df-un 3944 df-in 3946 df-ss 3956 df-pss 3958 df-nul 4317 df-if 4523 df-pw 4598 df-sn 4623 df-pr 4625 df-op 4629 df-uni 4902 df-int 4943 df-iun 4991 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5568 df-eprel 5574 df-po 5582 df-so 5583 df-fr 5625 df-we 5627 df-xp 5676 df-rel 5677 df-cnv 5678 df-co 5679 df-dm 5680 df-rn 5681 df-res 5682 df-ima 5683 df-pred 6298 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6493 df-fun 6543 df-fn 6544 df-f 6545 df-f1 6546 df-fo 6547 df-f1o 6548 df-fv 6549 df-riota 7370 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7867 df-2nd 7990 df-frecs 8283 df-wrecs 8314 df-recs 8388 df-rdg 8427 df-1o 8483 df-er 8721 df-en 8961 df-dom 8962 df-sdom 8963 df-fin 8964 df-card 9960 df-pnf 11278 df-mnf 11279 df-xr 11280 df-ltxr 11281 df-le 11282 df-sub 11474 df-neg 11475 df-nn 12241 df-n0 12501 df-xnn0 12573 df-z 12587 df-uz 12851 df-hash 14320 |
This theorem is referenced by: (None) |
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