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Mirrors > Home > ILE Home > Th. List > iseqf1olemklt | GIF version |
Description: Lemma for seq3f1o 10403. (Contributed by Jim Kingdon, 21-Aug-2022.) |
Ref | Expression |
---|---|
iseqf1olemklt.n | ⊢ (𝜑 → 𝑁 ∈ (ℤ≥‘𝑀)) |
iseqf1olemklt.k | ⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁)) |
iseqf1olemklt.j | ⊢ (𝜑 → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) |
iseqf1olemklt.const | ⊢ (𝜑 → ∀𝑥 ∈ (𝑀..^𝐾)(𝐽‘𝑥) = 𝑥) |
iseqf1olemklt.kj | ⊢ (𝜑 → 𝐾 ≠ (◡𝐽‘𝐾)) |
Ref | Expression |
---|---|
iseqf1olemklt | ⊢ (𝜑 → 𝐾 < (◡𝐽‘𝐾)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | iseqf1olemklt.kj | . . 3 ⊢ (𝜑 → 𝐾 ≠ (◡𝐽‘𝐾)) | |
2 | 1 | neneqd 2348 | . 2 ⊢ (𝜑 → ¬ 𝐾 = (◡𝐽‘𝐾)) |
3 | iseqf1olemklt.j | . . . . . 6 ⊢ (𝜑 → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) | |
4 | 3 | adantr 274 | . . . . 5 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → 𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) |
5 | iseqf1olemklt.k | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ (𝑀...𝑁)) | |
6 | 5 | adantr 274 | . . . . 5 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → 𝐾 ∈ (𝑀...𝑁)) |
7 | f1ocnvfv2 5728 | . . . . 5 ⊢ ((𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁) ∧ 𝐾 ∈ (𝑀...𝑁)) → (𝐽‘(◡𝐽‘𝐾)) = 𝐾) | |
8 | 4, 6, 7 | syl2anc 409 | . . . 4 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → (𝐽‘(◡𝐽‘𝐾)) = 𝐾) |
9 | fveq2 5468 | . . . . . 6 ⊢ (𝑥 = (◡𝐽‘𝐾) → (𝐽‘𝑥) = (𝐽‘(◡𝐽‘𝐾))) | |
10 | id 19 | . . . . . 6 ⊢ (𝑥 = (◡𝐽‘𝐾) → 𝑥 = (◡𝐽‘𝐾)) | |
11 | 9, 10 | eqeq12d 2172 | . . . . 5 ⊢ (𝑥 = (◡𝐽‘𝐾) → ((𝐽‘𝑥) = 𝑥 ↔ (𝐽‘(◡𝐽‘𝐾)) = (◡𝐽‘𝐾))) |
12 | iseqf1olemklt.const | . . . . . 6 ⊢ (𝜑 → ∀𝑥 ∈ (𝑀..^𝐾)(𝐽‘𝑥) = 𝑥) | |
13 | 12 | adantr 274 | . . . . 5 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → ∀𝑥 ∈ (𝑀..^𝐾)(𝐽‘𝑥) = 𝑥) |
14 | f1ocnv 5427 | . . . . . . . . . . 11 ⊢ (𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁) → ◡𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) | |
15 | 3, 14 | syl 14 | . . . . . . . . . 10 ⊢ (𝜑 → ◡𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁)) |
16 | f1of 5414 | . . . . . . . . . 10 ⊢ (◡𝐽:(𝑀...𝑁)–1-1-onto→(𝑀...𝑁) → ◡𝐽:(𝑀...𝑁)⟶(𝑀...𝑁)) | |
17 | 15, 16 | syl 14 | . . . . . . . . 9 ⊢ (𝜑 → ◡𝐽:(𝑀...𝑁)⟶(𝑀...𝑁)) |
18 | 17, 5 | ffvelrnd 5603 | . . . . . . . 8 ⊢ (𝜑 → (◡𝐽‘𝐾) ∈ (𝑀...𝑁)) |
19 | elfzuz 9924 | . . . . . . . 8 ⊢ ((◡𝐽‘𝐾) ∈ (𝑀...𝑁) → (◡𝐽‘𝐾) ∈ (ℤ≥‘𝑀)) | |
20 | 18, 19 | syl 14 | . . . . . . 7 ⊢ (𝜑 → (◡𝐽‘𝐾) ∈ (ℤ≥‘𝑀)) |
21 | 20 | adantr 274 | . . . . . 6 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → (◡𝐽‘𝐾) ∈ (ℤ≥‘𝑀)) |
22 | elfzelz 9928 | . . . . . . . 8 ⊢ (𝐾 ∈ (𝑀...𝑁) → 𝐾 ∈ ℤ) | |
23 | 5, 22 | syl 14 | . . . . . . 7 ⊢ (𝜑 → 𝐾 ∈ ℤ) |
24 | 23 | adantr 274 | . . . . . 6 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → 𝐾 ∈ ℤ) |
25 | simpr 109 | . . . . . 6 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → (◡𝐽‘𝐾) < 𝐾) | |
26 | elfzo2 10049 | . . . . . 6 ⊢ ((◡𝐽‘𝐾) ∈ (𝑀..^𝐾) ↔ ((◡𝐽‘𝐾) ∈ (ℤ≥‘𝑀) ∧ 𝐾 ∈ ℤ ∧ (◡𝐽‘𝐾) < 𝐾)) | |
27 | 21, 24, 25, 26 | syl3anbrc 1166 | . . . . 5 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → (◡𝐽‘𝐾) ∈ (𝑀..^𝐾)) |
28 | 11, 13, 27 | rspcdva 2821 | . . . 4 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → (𝐽‘(◡𝐽‘𝐾)) = (◡𝐽‘𝐾)) |
29 | 8, 28 | eqtr3d 2192 | . . 3 ⊢ ((𝜑 ∧ (◡𝐽‘𝐾) < 𝐾) → 𝐾 = (◡𝐽‘𝐾)) |
30 | 2, 29 | mtand 655 | . 2 ⊢ (𝜑 → ¬ (◡𝐽‘𝐾) < 𝐾) |
31 | elfzelz 9928 | . . . 4 ⊢ ((◡𝐽‘𝐾) ∈ (𝑀...𝑁) → (◡𝐽‘𝐾) ∈ ℤ) | |
32 | 18, 31 | syl 14 | . . 3 ⊢ (𝜑 → (◡𝐽‘𝐾) ∈ ℤ) |
33 | ztri3or 9210 | . . 3 ⊢ ((𝐾 ∈ ℤ ∧ (◡𝐽‘𝐾) ∈ ℤ) → (𝐾 < (◡𝐽‘𝐾) ∨ 𝐾 = (◡𝐽‘𝐾) ∨ (◡𝐽‘𝐾) < 𝐾)) | |
34 | 23, 32, 33 | syl2anc 409 | . 2 ⊢ (𝜑 → (𝐾 < (◡𝐽‘𝐾) ∨ 𝐾 = (◡𝐽‘𝐾) ∨ (◡𝐽‘𝐾) < 𝐾)) |
35 | 2, 30, 34 | ecase23d 1332 | 1 ⊢ (𝜑 → 𝐾 < (◡𝐽‘𝐾)) |
Colors of variables: wff set class |
Syntax hints: → wi 4 ∧ wa 103 ∨ w3o 962 = wceq 1335 ∈ wcel 2128 ≠ wne 2327 ∀wral 2435 class class class wbr 3965 ◡ccnv 4585 ⟶wf 5166 –1-1-onto→wf1o 5169 ‘cfv 5170 (class class class)co 5824 < clt 7912 ℤcz 9167 ℤ≥cuz 9439 ...cfz 9912 ..^cfzo 10041 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 604 ax-in2 605 ax-io 699 ax-5 1427 ax-7 1428 ax-gen 1429 ax-ie1 1473 ax-ie2 1474 ax-8 1484 ax-10 1485 ax-11 1486 ax-i12 1487 ax-bndl 1489 ax-4 1490 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-13 2130 ax-14 2131 ax-ext 2139 ax-sep 4082 ax-pow 4135 ax-pr 4169 ax-un 4393 ax-setind 4496 ax-cnex 7823 ax-resscn 7824 ax-1cn 7825 ax-1re 7826 ax-icn 7827 ax-addcl 7828 ax-addrcl 7829 ax-mulcl 7830 ax-addcom 7832 ax-addass 7834 ax-distr 7836 ax-i2m1 7837 ax-0lt1 7838 ax-0id 7840 ax-rnegex 7841 ax-cnre 7843 ax-pre-ltirr 7844 ax-pre-ltwlin 7845 ax-pre-lttrn 7846 ax-pre-ltadd 7848 |
This theorem depends on definitions: df-bi 116 df-3or 964 df-3an 965 df-tru 1338 df-fal 1341 df-nf 1441 df-sb 1743 df-eu 2009 df-mo 2010 df-clab 2144 df-cleq 2150 df-clel 2153 df-nfc 2288 df-ne 2328 df-nel 2423 df-ral 2440 df-rex 2441 df-reu 2442 df-rab 2444 df-v 2714 df-sbc 2938 df-csb 3032 df-dif 3104 df-un 3106 df-in 3108 df-ss 3115 df-pw 3545 df-sn 3566 df-pr 3567 df-op 3569 df-uni 3773 df-int 3808 df-iun 3851 df-br 3966 df-opab 4026 df-mpt 4027 df-id 4253 df-xp 4592 df-rel 4593 df-cnv 4594 df-co 4595 df-dm 4596 df-rn 4597 df-res 4598 df-ima 4599 df-iota 5135 df-fun 5172 df-fn 5173 df-f 5174 df-f1 5175 df-fo 5176 df-f1o 5177 df-fv 5178 df-riota 5780 df-ov 5827 df-oprab 5828 df-mpo 5829 df-1st 6088 df-2nd 6089 df-pnf 7914 df-mnf 7915 df-xr 7916 df-ltxr 7917 df-le 7918 df-sub 8048 df-neg 8049 df-inn 8834 df-n0 9091 df-z 9168 df-uz 9440 df-fz 9913 df-fzo 10042 |
This theorem is referenced by: seq3f1olemqsumkj 10397 |
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