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| Mirrors > Home > MPE Home > Th. List > Mathboxes > pmtrto1cl | Structured version Visualization version GIF version | ||
| Description: Useful lemma for the following theorems. (Contributed by Thierry Arnoux, 21-Aug-2020.) |
| Ref | Expression |
|---|---|
| psgnfzto1st.d | ⊢ 𝐷 = (1...𝑁) |
| pmtrto1cl.t | ⊢ 𝑇 = (pmTrsp‘𝐷) |
| Ref | Expression |
|---|---|
| pmtrto1cl | ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝑇‘{𝐾, (𝐾 + 1)}) ∈ ran 𝑇) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | psgnfzto1st.d | . . . 4 ⊢ 𝐷 = (1...𝑁) | |
| 2 | fzfi 14115 | . . . 4 ⊢ (1...𝑁) ∈ Fin | |
| 3 | 1, 2 | eqeltri 2857 | . . 3 ⊢ 𝐷 ∈ Fin |
| 4 | 3 | a1i 11 | . 2 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐷 ∈ Fin) |
| 5 | simpl 488 | . . . . . 6 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ∈ ℕ) | |
| 6 | simpr 490 | . . . . . . . . 9 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ∈ 𝐷) | |
| 7 | 6, 1 | eleqtrdi 2871 | . . . . . . . 8 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ∈ (1...𝑁)) |
| 8 | elfz1b 13727 | . . . . . . . 8 ⊢ ((𝐾 + 1) ∈ (1...𝑁) ↔ ((𝐾 + 1) ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ (𝐾 + 1) ≤ 𝑁)) | |
| 9 | 7, 8 | sylib 221 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → ((𝐾 + 1) ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ (𝐾 + 1) ≤ 𝑁)) |
| 10 | 9 | simp2d 1161 | . . . . . 6 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝑁 ∈ ℕ) |
| 11 | 5 | nnred 12350 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ∈ ℝ) |
| 12 | 1red 11309 | . . . . . . . 8 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 1 ∈ ℝ) | |
| 13 | 11, 12 | readdcld 11338 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ∈ ℝ) |
| 14 | 10 | nnred 12350 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝑁 ∈ ℝ) |
| 15 | 11 | lep1d 12248 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ≤ (𝐾 + 1)) |
| 16 | 9 | simp3d 1162 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ≤ 𝑁) |
| 17 | 11, 13, 14, 15, 16 | letrd 11467 | . . . . . 6 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ≤ 𝑁) |
| 18 | 5, 10, 17 | 3jca 1146 | . . . . 5 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁)) |
| 19 | elfz1b 13727 | . . . . 5 ⊢ (𝐾 ∈ (1...𝑁) ↔ (𝐾 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝐾 ≤ 𝑁)) | |
| 20 | 18, 19 | sylibr 237 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ∈ (1...𝑁)) |
| 21 | 20, 1 | eleqtrrdi 2872 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ∈ 𝐷) |
| 22 | prssi 4782 | . . 3 ⊢ ((𝐾 ∈ 𝐷 ∧ (𝐾 + 1) ∈ 𝐷) → {𝐾, (𝐾 + 1)} ⊆ 𝐷) | |
| 23 | 21, 6, 22 | syl2anc 596 | . 2 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → {𝐾, (𝐾 + 1)} ⊆ 𝐷) |
| 24 | 11 | ltp1d 12247 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 < (𝐾 + 1)) |
| 25 | 11, 24 | ltned 11446 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ≠ (𝐾 + 1)) |
| 26 | enpr2 10083 | . . 3 ⊢ ((𝐾 ∈ 𝐷 ∧ (𝐾 + 1) ∈ 𝐷 ∧ 𝐾 ≠ (𝐾 + 1)) → {𝐾, (𝐾 + 1)} ≈ 2o) | |
| 27 | 21, 6, 25, 26 | syl3anc 1398 | . 2 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → {𝐾, (𝐾 + 1)} ≈ 2o) |
| 28 | pmtrto1cl.t | . . 3 ⊢ 𝑇 = (pmTrsp‘𝐷) | |
| 29 | eqid 2761 | . . 3 ⊢ ran 𝑇 = ran 𝑇 | |
| 30 | 28, 29 | pmtrrn 19671 | . 2 ⊢ ((𝐷 ∈ Fin ∧ {𝐾, (𝐾 + 1)} ⊆ 𝐷 ∧ {𝐾, (𝐾 + 1)} ≈ 2o) → (𝑇‘{𝐾, (𝐾 + 1)}) ∈ ran 𝑇) |
| 31 | 4, 23, 27, 30 | syl3anc 1398 | 1 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝑇‘{𝐾, (𝐾 + 1)}) ∈ ran 𝑇) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∈ wcel 2145 ≠ wne 2956 ⊆ wss 3899 {cpr 4586 class class class wbr 5103 ran crn 5652 ‘cfv 6538 (class class class)co 7420 2oc2o 8470 ≈ cen 8970 Fincfn 8973 1c1 11201 + caddc 11203 ≤ cle 11344 ℕcn 12335 ...cfz 13639 pmTrspcpmtr 19655 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7751 ax-cnex 11256 ax-resscn 11257 ax-1cn 11258 ax-icn 11259 ax-addcl 11260 ax-addrcl 11261 ax-mulcl 11262 ax-mulrcl 11263 ax-mulcom 11264 ax-addass 11265 ax-mulass 11266 ax-distr 11267 ax-i2m1 11268 ax-1ne0 11269 ax-1rid 11270 ax-rnegex 11271 ax-rrecex 11272 ax-cnre 11273 ax-pre-lttri 11274 ax-pre-lttrn 11275 ax-pre-ltadd 11276 ax-pre-mulgt0 11277 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-f1 6543 df-fo 6544 df-f1o 6545 df-fv 6546 df-riota 7377 df-ov 7423 df-oprab 7424 df-mpo 7425 df-om 7878 df-1st 8001 df-2nd 8002 df-frecs 8299 df-wrecs 8330 df-recs 8379 df-rdg 8418 df-1o 8476 df-2o 8477 df-er 8717 df-en 8974 df-dom 8975 df-sdom 8976 df-fin 8977 df-pnf 11345 df-mnf 11346 df-xr 11347 df-ltxr 11348 df-le 11349 df-sub 11543 df-neg 11544 df-nn 12336 df-n0 12607 df-z 12694 df-uz 12966 df-fz 13640 df-pmtr 19656 |
| This theorem is used by: psgnfzto1stlem 33661 fzto1st 33664 psgnfzto1st 33666 |
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