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| Mirrors > Home > MPE Home > Th. List > Mathboxes > erdszelem6 | Structured version Visualization version GIF version | ||
| Description: Lemma for erdsze 35404. (Contributed by Mario Carneiro, 22-Jan-2015.) |
| Ref | Expression |
|---|---|
| erdsze.n | ⊢ (𝜑 → 𝑁 ∈ ℕ) |
| erdsze.f | ⊢ (𝜑 → 𝐹:(1...𝑁)–1-1→ℝ) |
| erdszelem.k | ⊢ 𝐾 = (𝑥 ∈ (1...𝑁) ↦ sup((♯ “ {𝑦 ∈ 𝒫 (1...𝑥) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑥 ∈ 𝑦)}), ℝ, < )) |
| erdszelem.o | ⊢ 𝑂 Or ℝ |
| Ref | Expression |
|---|---|
| erdszelem6 | ⊢ (𝜑 → 𝐾:(1...𝑁)⟶ℕ) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ltso 11221 | . . . 4 ⊢ < Or ℝ | |
| 2 | 1 | supex 9372 | . . 3 ⊢ sup((♯ “ {𝑦 ∈ 𝒫 (1...𝑥) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑥 ∈ 𝑦)}), ℝ, < ) ∈ V |
| 3 | 2 | a1i 11 | . 2 ⊢ ((𝜑 ∧ 𝑥 ∈ (1...𝑁)) → sup((♯ “ {𝑦 ∈ 𝒫 (1...𝑥) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑥 ∈ 𝑦)}), ℝ, < ) ∈ V) |
| 4 | erdszelem.k | . . 3 ⊢ 𝐾 = (𝑥 ∈ (1...𝑁) ↦ sup((♯ “ {𝑦 ∈ 𝒫 (1...𝑥) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑥 ∈ 𝑦)}), ℝ, < )) | |
| 5 | 4 | a1i 11 | . 2 ⊢ (𝜑 → 𝐾 = (𝑥 ∈ (1...𝑁) ↦ sup((♯ “ {𝑦 ∈ 𝒫 (1...𝑥) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑥 ∈ 𝑦)}), ℝ, < ))) |
| 6 | eqid 2737 | . . . . 5 ⊢ {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)} = {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)} | |
| 7 | 6 | erdszelem2 35394 | . . . 4 ⊢ ((♯ “ {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)}) ∈ Fin ∧ (♯ “ {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)}) ⊆ ℕ) |
| 8 | 7 | simpri 485 | . . 3 ⊢ (♯ “ {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)}) ⊆ ℕ |
| 9 | erdsze.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℕ) | |
| 10 | erdsze.f | . . . 4 ⊢ (𝜑 → 𝐹:(1...𝑁)–1-1→ℝ) | |
| 11 | erdszelem.o | . . . 4 ⊢ 𝑂 Or ℝ | |
| 12 | 9, 10, 4, 11 | erdszelem5 35397 | . . 3 ⊢ ((𝜑 ∧ 𝑧 ∈ (1...𝑁)) → (𝐾‘𝑧) ∈ (♯ “ {𝑦 ∈ 𝒫 (1...𝑧) ∣ ((𝐹 ↾ 𝑦) Isom < , 𝑂 (𝑦, (𝐹 “ 𝑦)) ∧ 𝑧 ∈ 𝑦)})) |
| 13 | 8, 12 | sselid 3920 | . 2 ⊢ ((𝜑 ∧ 𝑧 ∈ (1...𝑁)) → (𝐾‘𝑧) ∈ ℕ) |
| 14 | 3, 5, 13 | fmpt2d 7073 | 1 ⊢ (𝜑 → 𝐾:(1...𝑁)⟶ℕ) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 {crab 3390 Vcvv 3430 ⊆ wss 3890 𝒫 cpw 4542 ↦ cmpt 5167 Or wor 5533 ↾ cres 5628 “ cima 5629 ⟶wf 6490 –1-1→wf1 6491 ‘cfv 6494 Isom wiso 6495 (class class class)co 7362 Fincfn 8888 supcsup 9348 ℝcr 11032 1c1 11034 < clt 11174 ℕcn 12169 ...cfz 13456 ♯chash 14287 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-sep 5232 ax-nul 5242 ax-pow 5304 ax-pr 5372 ax-un 7684 ax-cnex 11089 ax-resscn 11090 ax-1cn 11091 ax-icn 11092 ax-addcl 11093 ax-addrcl 11094 ax-mulcl 11095 ax-mulrcl 11096 ax-mulcom 11097 ax-addass 11098 ax-mulass 11099 ax-distr 11100 ax-i2m1 11101 ax-1ne0 11102 ax-1rid 11103 ax-rnegex 11104 ax-rrecex 11105 ax-cnre 11106 ax-pre-lttri 11107 ax-pre-lttrn 11108 ax-pre-ltadd 11109 ax-pre-mulgt0 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5521 df-eprel 5526 df-po 5534 df-so 5535 df-fr 5579 df-we 5581 df-xp 5632 df-rel 5633 df-cnv 5634 df-co 5635 df-dm 5636 df-rn 5637 df-res 5638 df-ima 5639 df-pred 6261 df-ord 6322 df-on 6323 df-lim 6324 df-suc 6325 df-iota 6450 df-fun 6496 df-fn 6497 df-f 6498 df-f1 6499 df-fo 6500 df-f1o 6501 df-fv 6502 df-isom 6503 df-riota 7319 df-ov 7365 df-oprab 7366 df-mpo 7367 df-om 7813 df-1st 7937 df-2nd 7938 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-1o 8400 df-er 8638 df-en 8889 df-dom 8890 df-sdom 8891 df-fin 8892 df-sup 9350 df-card 9858 df-pnf 11176 df-mnf 11177 df-xr 11178 df-ltxr 11179 df-le 11180 df-sub 11374 df-neg 11375 df-nn 12170 df-n0 12433 df-xnn0 12506 df-z 12520 df-uz 12784 df-fz 13457 df-hash 14288 |
| This theorem is referenced by: erdszelem7 35399 erdszelem8 35400 erdszelem9 35401 |
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