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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 14037 | . . . 4 ⊢ (1...𝑁) ∈ Fin | |
| 3 | 1, 2 | eqeltri 2856 | . . 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 2870 | . . . . . . . 8 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ∈ (1...𝑁)) |
| 8 | elfz1b 13649 | . . . . . . . 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 12273 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ∈ ℝ) |
| 12 | 1red 11234 | . . . . . . . 8 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 1 ∈ ℝ) | |
| 13 | 11, 12 | readdcld 11263 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → (𝐾 + 1) ∈ ℝ) |
| 14 | 10 | nnred 12273 | . . . . . . 7 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝑁 ∈ ℝ) |
| 15 | 11 | lep1d 12171 | . . . . . . 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 11392 | . . . . . 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 13649 | . . . . 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 2871 | . . 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 12170 | . . . 4 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 < (𝐾 + 1)) |
| 25 | 11, 24 | ltned 11371 | . . 3 ⊢ ((𝐾 ∈ ℕ ∧ (𝐾 + 1) ∈ 𝐷) → 𝐾 ≠ (𝐾 + 1)) |
| 26 | enpr2 10008 | . . 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 2760 | . . 3 ⊢ ran 𝑇 = ran 𝑇 | |
| 30 | 28, 29 | pmtrrn 19585 | . 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 2955 ⊆ wss 3899 {cpr 4586 class class class wbr 5103 ran crn 5656 ‘cfv 6533 (class class class)co 7414 2oc2o 8450 ≈ cen 8950 Fincfn 8953 1c1 11126 + caddc 11128 ≤ cle 11269 ℕcn 12258 ...cfz 13562 pmTrspcpmtr 19569 |
| 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 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-reu 3366 df-rab 3413 df-v 3452 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 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-2o 8457 df-er 8697 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-nn 12259 df-n0 12530 df-z 12617 df-uz 12889 df-fz 13563 df-pmtr 19570 |
| This theorem is used by: psgnfzto1stlem 33541 fzto1st 33544 psgnfzto1st 33546 |
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