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Mirrors > Home > MPE Home > Th. List > Mathboxes > erdsze2 | Structured version Visualization version GIF version |
Description: Generalize the statement of the Erdős-Szekeres theorem erdsze 33172 to "sequences" indexed by an arbitrary subset of ℝ, which can be infinite. This is part of Metamath 100 proof #73. (Contributed by Mario Carneiro, 22-Jan-2015.) |
Ref | Expression |
---|---|
erdsze2.r | ⊢ (𝜑 → 𝑅 ∈ ℕ) |
erdsze2.s | ⊢ (𝜑 → 𝑆 ∈ ℕ) |
erdsze2.f | ⊢ (𝜑 → 𝐹:𝐴–1-1→ℝ) |
erdsze2.a | ⊢ (𝜑 → 𝐴 ⊆ ℝ) |
erdsze2.l | ⊢ (𝜑 → ((𝑅 − 1) · (𝑆 − 1)) < (♯‘𝐴)) |
Ref | Expression |
---|---|
erdsze2 | ⊢ (𝜑 → ∃𝑠 ∈ 𝒫 𝐴((𝑅 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , < (𝑠, (𝐹 “ 𝑠))) ∨ (𝑆 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , ◡ < (𝑠, (𝐹 “ 𝑠))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | erdsze2.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ ℕ) | |
2 | erdsze2.s | . . 3 ⊢ (𝜑 → 𝑆 ∈ ℕ) | |
3 | erdsze2.f | . . 3 ⊢ (𝜑 → 𝐹:𝐴–1-1→ℝ) | |
4 | erdsze2.a | . . 3 ⊢ (𝜑 → 𝐴 ⊆ ℝ) | |
5 | eqid 2738 | . . 3 ⊢ ((𝑅 − 1) · (𝑆 − 1)) = ((𝑅 − 1) · (𝑆 − 1)) | |
6 | erdsze2.l | . . 3 ⊢ (𝜑 → ((𝑅 − 1) · (𝑆 − 1)) < (♯‘𝐴)) | |
7 | 1, 2, 3, 4, 5, 6 | erdsze2lem1 33173 | . 2 ⊢ (𝜑 → ∃𝑓(𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) |
8 | 1 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝑅 ∈ ℕ) |
9 | 2 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝑆 ∈ ℕ) |
10 | 3 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝐹:𝐴–1-1→ℝ) |
11 | 4 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝐴 ⊆ ℝ) |
12 | 6 | adantr 481 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → ((𝑅 − 1) · (𝑆 − 1)) < (♯‘𝐴)) |
13 | simprl 768 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴) | |
14 | simprr 770 | . . 3 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓)) | |
15 | 8, 9, 10, 11, 5, 12, 13, 14 | erdsze2lem2 33174 | . 2 ⊢ ((𝜑 ∧ (𝑓:(1...(((𝑅 − 1) · (𝑆 − 1)) + 1))–1-1→𝐴 ∧ 𝑓 Isom < , < ((1...(((𝑅 − 1) · (𝑆 − 1)) + 1)), ran 𝑓))) → ∃𝑠 ∈ 𝒫 𝐴((𝑅 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , < (𝑠, (𝐹 “ 𝑠))) ∨ (𝑆 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , ◡ < (𝑠, (𝐹 “ 𝑠))))) |
16 | 7, 15 | exlimddv 1938 | 1 ⊢ (𝜑 → ∃𝑠 ∈ 𝒫 𝐴((𝑅 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , < (𝑠, (𝐹 “ 𝑠))) ∨ (𝑆 ≤ (♯‘𝑠) ∧ (𝐹 ↾ 𝑠) Isom < , ◡ < (𝑠, (𝐹 “ 𝑠))))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 ∨ wo 844 ∈ wcel 2106 ∃wrex 3065 ⊆ wss 3886 𝒫 cpw 4533 class class class wbr 5073 ◡ccnv 5583 ran crn 5585 ↾ cres 5586 “ cima 5587 –1-1→wf1 6423 ‘cfv 6426 Isom wiso 6427 (class class class)co 7267 ℝcr 10880 1c1 10882 + caddc 10884 · cmul 10886 < clt 11019 ≤ cle 11020 − cmin 11215 ℕcn 11983 ...cfz 13249 ♯chash 14054 |
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 5208 ax-sep 5221 ax-nul 5228 ax-pow 5286 ax-pr 5350 ax-un 7578 ax-cnex 10937 ax-resscn 10938 ax-1cn 10939 ax-icn 10940 ax-addcl 10941 ax-addrcl 10942 ax-mulcl 10943 ax-mulrcl 10944 ax-mulcom 10945 ax-addass 10946 ax-mulass 10947 ax-distr 10948 ax-i2m1 10949 ax-1ne0 10950 ax-1rid 10951 ax-rnegex 10952 ax-rrecex 10953 ax-cnre 10954 ax-pre-lttri 10955 ax-pre-lttrn 10956 ax-pre-ltadd 10957 ax-pre-mulgt0 10958 ax-pre-sup 10959 |
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-reu 3071 df-rmo 3072 df-rab 3073 df-v 3431 df-sbc 3716 df-csb 3832 df-dif 3889 df-un 3891 df-in 3893 df-ss 3903 df-pss 3905 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 5074 df-opab 5136 df-mpt 5157 df-tr 5191 df-id 5484 df-eprel 5490 df-po 5498 df-so 5499 df-fr 5539 df-se 5540 df-we 5541 df-xp 5590 df-rel 5591 df-cnv 5592 df-co 5593 df-dm 5594 df-rn 5595 df-res 5596 df-ima 5597 df-pred 6195 df-ord 6262 df-on 6263 df-lim 6264 df-suc 6265 df-iota 6384 df-fun 6428 df-fn 6429 df-f 6430 df-f1 6431 df-fo 6432 df-f1o 6433 df-fv 6434 df-isom 6435 df-riota 7224 df-ov 7270 df-oprab 7271 df-mpo 7272 df-om 7703 df-1st 7820 df-2nd 7821 df-frecs 8084 df-wrecs 8115 df-recs 8189 df-rdg 8228 df-1o 8284 df-oadd 8288 df-er 8485 df-en 8721 df-dom 8722 df-sdom 8723 df-fin 8724 df-sup 9188 df-oi 9256 df-dju 9669 df-card 9707 df-pnf 11021 df-mnf 11022 df-xr 11023 df-ltxr 11024 df-le 11025 df-sub 11217 df-neg 11218 df-nn 11984 df-n0 12244 df-xnn0 12316 df-z 12330 df-uz 12593 df-fz 13250 df-hash 14055 |
This theorem is referenced by: (None) |
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