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Mirrors > Home > MPE Home > Th. List > 0ram2 | Structured version Visualization version GIF version |
Description: The Ramsey number when 𝑀 = 0. (Contributed by Mario Carneiro, 22-Apr-2015.) |
Ref | Expression |
---|---|
0ram2 | ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → (0 Ramsey 𝐹) = sup(ran 𝐹, ℝ, < )) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | frn 6607 | . . . . 5 ⊢ (𝐹:𝑅⟶ℕ0 → ran 𝐹 ⊆ ℕ0) | |
2 | 1 | 3ad2ant3 1134 | . . . 4 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ran 𝐹 ⊆ ℕ0) |
3 | nn0ssz 12341 | . . . 4 ⊢ ℕ0 ⊆ ℤ | |
4 | 2, 3 | sstrdi 3933 | . . 3 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ran 𝐹 ⊆ ℤ) |
5 | nn0ssre 12237 | . . . . 5 ⊢ ℕ0 ⊆ ℝ | |
6 | 2, 5 | sstrdi 3933 | . . . 4 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ran 𝐹 ⊆ ℝ) |
7 | simp1 1135 | . . . . 5 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → 𝑅 ∈ Fin) | |
8 | ffn 6600 | . . . . . . 7 ⊢ (𝐹:𝑅⟶ℕ0 → 𝐹 Fn 𝑅) | |
9 | 8 | 3ad2ant3 1134 | . . . . . 6 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → 𝐹 Fn 𝑅) |
10 | dffn4 6694 | . . . . . 6 ⊢ (𝐹 Fn 𝑅 ↔ 𝐹:𝑅–onto→ran 𝐹) | |
11 | 9, 10 | sylib 217 | . . . . 5 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → 𝐹:𝑅–onto→ran 𝐹) |
12 | fofi 9105 | . . . . 5 ⊢ ((𝑅 ∈ Fin ∧ 𝐹:𝑅–onto→ran 𝐹) → ran 𝐹 ∈ Fin) | |
13 | 7, 11, 12 | syl2anc 584 | . . . 4 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ran 𝐹 ∈ Fin) |
14 | fdm 6609 | . . . . . . 7 ⊢ (𝐹:𝑅⟶ℕ0 → dom 𝐹 = 𝑅) | |
15 | 14 | 3ad2ant3 1134 | . . . . . 6 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → dom 𝐹 = 𝑅) |
16 | simp2 1136 | . . . . . 6 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → 𝑅 ≠ ∅) | |
17 | 15, 16 | eqnetrd 3011 | . . . . 5 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → dom 𝐹 ≠ ∅) |
18 | dm0rn0 5834 | . . . . . 6 ⊢ (dom 𝐹 = ∅ ↔ ran 𝐹 = ∅) | |
19 | 18 | necon3bii 2996 | . . . . 5 ⊢ (dom 𝐹 ≠ ∅ ↔ ran 𝐹 ≠ ∅) |
20 | 17, 19 | sylib 217 | . . . 4 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ran 𝐹 ≠ ∅) |
21 | fimaxre 11919 | . . . 4 ⊢ ((ran 𝐹 ⊆ ℝ ∧ ran 𝐹 ∈ Fin ∧ ran 𝐹 ≠ ∅) → ∃𝑥 ∈ ran 𝐹∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥) | |
22 | 6, 13, 20, 21 | syl3anc 1370 | . . 3 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ∃𝑥 ∈ ran 𝐹∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥) |
23 | ssrexv 3988 | . . 3 ⊢ (ran 𝐹 ⊆ ℤ → (∃𝑥 ∈ ran 𝐹∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥 → ∃𝑥 ∈ ℤ ∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥)) | |
24 | 4, 22, 23 | sylc 65 | . 2 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → ∃𝑥 ∈ ℤ ∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥) |
25 | 0ram 16721 | . 2 ⊢ (((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) ∧ ∃𝑥 ∈ ℤ ∀𝑦 ∈ ran 𝐹 𝑦 ≤ 𝑥) → (0 Ramsey 𝐹) = sup(ran 𝐹, ℝ, < )) | |
26 | 24, 25 | mpdan 684 | 1 ⊢ ((𝑅 ∈ Fin ∧ 𝑅 ≠ ∅ ∧ 𝐹:𝑅⟶ℕ0) → (0 Ramsey 𝐹) = sup(ran 𝐹, ℝ, < )) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ w3a 1086 = wceq 1539 ∈ wcel 2106 ≠ wne 2943 ∀wral 3064 ∃wrex 3065 ⊆ wss 3887 ∅c0 4256 class class class wbr 5074 dom cdm 5589 ran crn 5590 Fn wfn 6428 ⟶wf 6429 –onto→wfo 6431 (class class class)co 7275 Fincfn 8733 supcsup 9199 ℝcr 10870 0cc0 10871 < clt 11009 ≤ cle 11010 ℕ0cn0 12233 ℤcz 12319 Ramsey cram 16700 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-oadd 8301 df-er 8498 df-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-inf 9202 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-n0 12234 df-xnn0 12306 df-z 12320 df-uz 12583 df-fz 13240 df-hash 14045 df-ram 16702 |
This theorem is referenced by: 0ramcl 16724 |
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