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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 5096 | . . . . . . . 8 ⊢ (𝑛 = 𝑀 → (𝑛 ≤ (♯‘𝑠) ↔ 𝑀 ≤ (♯‘𝑠))) | |
| 2 | 1 | imbi1d 341 | . . . . . . 7 ⊢ (𝑛 = 𝑀 → ((𝑛 ≤ (♯‘𝑠) → 𝜑) ↔ (𝑀 ≤ (♯‘𝑠) → 𝜑))) |
| 3 | 2 | albidv 1921 | . . . . . 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 3646 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 ↔ (𝑀 ∈ ℕ0 ∧ ∀𝑠(𝑀 ≤ (♯‘𝑠) → 𝜑))) |
| 6 | 5 | simplbi 497 | . . . 4 ⊢ (𝑀 ∈ 𝑇 → 𝑀 ∈ ℕ0) |
| 7 | eluznn0 12817 | . . . . . 6 ⊢ ((𝑀 ∈ ℕ0 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) | |
| 8 | 7 | ex 412 | . . . . 5 ⊢ (𝑀 ∈ ℕ0 → (𝑛 ∈ (ℤ≥‘𝑀) → 𝑛 ∈ ℕ0)) |
| 9 | 8 | ssrdv 3936 | . . . 4 ⊢ (𝑀 ∈ ℕ0 → (ℤ≥‘𝑀) ⊆ ℕ0) |
| 10 | 6, 9 | syl 17 | . . 3 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ ℕ0) |
| 11 | 5 | simprbi 496 | . . . . 5 ⊢ (𝑀 ∈ 𝑇 → ∀𝑠(𝑀 ≤ (♯‘𝑠) → 𝜑)) |
| 12 | eluzle 12751 | . . . . . . . . . 10 ⊢ (𝑛 ∈ (ℤ≥‘𝑀) → 𝑀 ≤ 𝑛) | |
| 13 | 12 | adantl 481 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ≤ 𝑛) |
| 14 | nn0ssre 12392 | . . . . . . . . . . . 12 ⊢ ℕ0 ⊆ ℝ | |
| 15 | ressxr 11163 | . . . . . . . . . . . 12 ⊢ ℝ ⊆ ℝ* | |
| 16 | 14, 15 | sstri 3940 | . . . . . . . . . . 11 ⊢ ℕ0 ⊆ ℝ* |
| 17 | 6 | adantr 480 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℕ0) |
| 18 | 16, 17 | sselid 3928 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℝ*) |
| 19 | 6, 7 | sylan 580 | . . . . . . . . . . 11 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℕ0) |
| 20 | 16, 19 | sselid 3928 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → 𝑛 ∈ ℝ*) |
| 21 | vex 3441 | . . . . . . . . . . 11 ⊢ 𝑠 ∈ V | |
| 22 | hashxrcl 14266 | . . . . . . . . . . 11 ⊢ (𝑠 ∈ V → (♯‘𝑠) ∈ ℝ*) | |
| 23 | 21, 22 | mp1i 13 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → (♯‘𝑠) ∈ ℝ*) |
| 24 | xrletr 13059 | . . . . . . . . . 10 ⊢ ((𝑀 ∈ ℝ* ∧ 𝑛 ∈ ℝ* ∧ (♯‘𝑠) ∈ ℝ*) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (♯‘𝑠)) → 𝑀 ≤ (♯‘𝑠))) | |
| 25 | 18, 20, 23, 24 | syl3anc 1373 | . . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑇 ∧ 𝑛 ∈ (ℤ≥‘𝑀)) → ((𝑀 ≤ 𝑛 ∧ 𝑛 ≤ (♯‘𝑠)) → 𝑀 ≤ (♯‘𝑠))) |
| 26 | 13, 25 | mpand 695 | . . . . . . . 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 3133 | . . . . . 6 ⊢ (𝑀 ∈ 𝑇 → ((𝑀 ≤ (♯‘𝑠) → 𝜑) → ∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (♯‘𝑠) → 𝜑))) |
| 29 | 28 | alimdv 1917 | . . . . 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 3259 | . . . 4 ⊢ (∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑) ↔ ∀𝑠∀𝑛 ∈ (ℤ≥‘𝑀)(𝑛 ≤ (♯‘𝑠) → 𝜑)) | |
| 32 | 30, 31 | sylibr 234 | . . 3 ⊢ (𝑀 ∈ 𝑇 → ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)) |
| 33 | ssrab 4020 | . . 3 ⊢ ((ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)} ↔ ((ℤ≥‘𝑀) ⊆ ℕ0 ∧ ∀𝑛 ∈ (ℤ≥‘𝑀)∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑))) | |
| 34 | 10, 32, 33 | sylanbrc 583 | . 2 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ {𝑛 ∈ ℕ0 ∣ ∀𝑠(𝑛 ≤ (♯‘𝑠) → 𝜑)}) |
| 35 | 34, 4 | sseqtrrdi 3972 | 1 ⊢ (𝑀 ∈ 𝑇 → (ℤ≥‘𝑀) ⊆ 𝑇) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 ∀wal 1539 = wceq 1541 ∈ wcel 2113 ∀wral 3048 {crab 3396 Vcvv 3437 ⊆ wss 3898 class class class wbr 5093 ‘cfv 6486 ℝcr 11012 ℝ*cxr 11152 ≤ cle 11154 ℕ0cn0 12388 ℤ≥cuz 12738 ♯chash 14239 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2705 ax-sep 5236 ax-nul 5246 ax-pow 5305 ax-pr 5372 ax-un 7674 ax-cnex 11069 ax-resscn 11070 ax-1cn 11071 ax-icn 11072 ax-addcl 11073 ax-addrcl 11074 ax-mulcl 11075 ax-mulrcl 11076 ax-mulcom 11077 ax-addass 11078 ax-mulass 11079 ax-distr 11080 ax-i2m1 11081 ax-1ne0 11082 ax-1rid 11083 ax-rnegex 11084 ax-rrecex 11085 ax-cnre 11086 ax-pre-lttri 11087 ax-pre-lttrn 11088 ax-pre-ltadd 11089 ax-pre-mulgt0 11090 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2725 df-clel 2808 df-nfc 2882 df-ne 2930 df-nel 3034 df-ral 3049 df-rex 3058 df-reu 3348 df-rab 3397 df-v 3439 df-sbc 3738 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4283 df-if 4475 df-pw 4551 df-sn 4576 df-pr 4578 df-op 4582 df-uni 4859 df-int 4898 df-iun 4943 df-br 5094 df-opab 5156 df-mpt 5175 df-tr 5201 df-id 5514 df-eprel 5519 df-po 5527 df-so 5528 df-fr 5572 df-we 5574 df-xp 5625 df-rel 5626 df-cnv 5627 df-co 5628 df-dm 5629 df-rn 5630 df-res 5631 df-ima 5632 df-pred 6253 df-ord 6314 df-on 6315 df-lim 6316 df-suc 6317 df-iota 6442 df-fun 6488 df-fn 6489 df-f 6490 df-f1 6491 df-fo 6492 df-f1o 6493 df-fv 6494 df-riota 7309 df-ov 7355 df-oprab 7356 df-mpo 7357 df-om 7803 df-2nd 7928 df-frecs 8217 df-wrecs 8248 df-recs 8297 df-rdg 8335 df-1o 8391 df-er 8628 df-en 8876 df-dom 8877 df-sdom 8878 df-fin 8879 df-card 9839 df-pnf 11155 df-mnf 11156 df-xr 11157 df-ltxr 11158 df-le 11159 df-sub 11353 df-neg 11354 df-nn 12133 df-n0 12389 df-xnn0 12462 df-z 12476 df-uz 12739 df-hash 14240 |
| This theorem is referenced by: (None) |
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