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| Mirrors > Home > MPE Home > Th. List > Mathboxes > chnerlem3 | Structured version Visualization version GIF version | ||
| Description: Lemma for chner 48168- trichotomy of integers within the word's domain. (Contributed by Ender Ting, 29-Jan-2026.) |
| Ref | Expression |
|---|---|
| chner.1 | ⊢ (𝜑 → ∼ Er 𝐴) |
| chner.2 | ⊢ (𝜑 → 𝐶 ∈ ( ∼ Chain 𝐴)) |
| chner.3 | ⊢ (𝜑 → 𝐽 ∈ (0..^(♯‘𝐶))) |
| chner.4 | ⊢ (𝜑 → 𝐼 ∈ (0..^(♯‘𝐶))) |
| Ref | Expression |
|---|---|
| chnerlem3 | ⊢ (𝜑 → (𝐼 ∈ (0..^𝐽) ∨ 𝐽 ∈ (0..^𝐼) ∨ 𝐼 = 𝐽)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | chner.4 | . . . . . 6 ⊢ (𝜑 → 𝐼 ∈ (0..^(♯‘𝐶))) | |
| 2 | elfzoelz 13833 | . . . . . 6 ⊢ (𝐼 ∈ (0..^(♯‘𝐶)) → 𝐼 ∈ ℤ) | |
| 3 | 1, 2 | syl 18 | . . . . 5 ⊢ (𝜑 → 𝐼 ∈ ℤ) |
| 4 | 3 | zred 12843 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ ℝ) |
| 5 | chner.3 | . . . . . 6 ⊢ (𝜑 → 𝐽 ∈ (0..^(♯‘𝐶))) | |
| 6 | elfzoelz 13833 | . . . . . 6 ⊢ (𝐽 ∈ (0..^(♯‘𝐶)) → 𝐽 ∈ ℤ) | |
| 7 | 5, 6 | syl 18 | . . . . 5 ⊢ (𝜑 → 𝐽 ∈ ℤ) |
| 8 | 7 | zred 12843 | . . . 4 ⊢ (𝜑 → 𝐽 ∈ ℝ) |
| 9 | lttri4 11433 | . . . 4 ⊢ ((𝐼 ∈ ℝ ∧ 𝐽 ∈ ℝ) → (𝐼 < 𝐽 ∨ 𝐼 = 𝐽 ∨ 𝐽 < 𝐼)) | |
| 10 | 4, 8, 9 | syl2anc 596 | . . 3 ⊢ (𝜑 → (𝐼 < 𝐽 ∨ 𝐼 = 𝐽 ∨ 𝐽 < 𝐼)) |
| 11 | 3orcomb 1110 | . . 3 ⊢ ((𝐼 < 𝐽 ∨ 𝐼 = 𝐽 ∨ 𝐽 < 𝐼) ↔ (𝐼 < 𝐽 ∨ 𝐽 < 𝐼 ∨ 𝐼 = 𝐽)) | |
| 12 | 10, 11 | sylib 221 | . 2 ⊢ (𝜑 → (𝐼 < 𝐽 ∨ 𝐽 < 𝐼 ∨ 𝐼 = 𝐽)) |
| 13 | elfzonn0 13882 | . . . . . . . 8 ⊢ (𝐼 ∈ (0..^(♯‘𝐶)) → 𝐼 ∈ ℕ0) | |
| 14 | 1, 13 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐼 ∈ ℕ0) |
| 15 | 14 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐼 < 𝐽) → 𝐼 ∈ ℕ0) |
| 16 | 7 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐼 < 𝐽) → 𝐽 ∈ ℤ) |
| 17 | simpr 490 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐼 < 𝐽) → 𝐼 < 𝐽) | |
| 18 | 15, 16, 17 | 3jca 1146 | . . . . 5 ⊢ ((𝜑 ∧ 𝐼 < 𝐽) → (𝐼 ∈ ℕ0 ∧ 𝐽 ∈ ℤ ∧ 𝐼 < 𝐽)) |
| 19 | elfzo0z 13876 | . . . . 5 ⊢ (𝐼 ∈ (0..^𝐽) ↔ (𝐼 ∈ ℕ0 ∧ 𝐽 ∈ ℤ ∧ 𝐼 < 𝐽)) | |
| 20 | 18, 19 | sylibr 237 | . . . 4 ⊢ ((𝜑 ∧ 𝐼 < 𝐽) → 𝐼 ∈ (0..^𝐽)) |
| 21 | 20 | ex 418 | . . 3 ⊢ (𝜑 → (𝐼 < 𝐽 → 𝐼 ∈ (0..^𝐽))) |
| 22 | elfzonn0 13882 | . . . . . . . 8 ⊢ (𝐽 ∈ (0..^(♯‘𝐶)) → 𝐽 ∈ ℕ0) | |
| 23 | 5, 22 | syl 18 | . . . . . . 7 ⊢ (𝜑 → 𝐽 ∈ ℕ0) |
| 24 | 23 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 < 𝐼) → 𝐽 ∈ ℕ0) |
| 25 | 3 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 < 𝐼) → 𝐼 ∈ ℤ) |
| 26 | simpr 490 | . . . . . 6 ⊢ ((𝜑 ∧ 𝐽 < 𝐼) → 𝐽 < 𝐼) | |
| 27 | 24, 25, 26 | 3jca 1146 | . . . . 5 ⊢ ((𝜑 ∧ 𝐽 < 𝐼) → (𝐽 ∈ ℕ0 ∧ 𝐼 ∈ ℤ ∧ 𝐽 < 𝐼)) |
| 28 | elfzo0z 13876 | . . . . 5 ⊢ (𝐽 ∈ (0..^𝐼) ↔ (𝐽 ∈ ℕ0 ∧ 𝐼 ∈ ℤ ∧ 𝐽 < 𝐼)) | |
| 29 | 27, 28 | sylibr 237 | . . . 4 ⊢ ((𝜑 ∧ 𝐽 < 𝐼) → 𝐽 ∈ (0..^𝐼)) |
| 30 | 29 | ex 418 | . . 3 ⊢ (𝜑 → (𝐽 < 𝐼 → 𝐽 ∈ (0..^𝐼))) |
| 31 | idd 25 | . . 3 ⊢ (𝜑 → (𝐼 = 𝐽 → 𝐼 = 𝐽)) | |
| 32 | 21, 30, 31 | 3orim123d 1473 | . 2 ⊢ (𝜑 → ((𝐼 < 𝐽 ∨ 𝐽 < 𝐼 ∨ 𝐼 = 𝐽) → (𝐼 ∈ (0..^𝐽) ∨ 𝐽 ∈ (0..^𝐼) ∨ 𝐼 = 𝐽))) |
| 33 | 12, 32 | mpd 16 | 1 ⊢ (𝜑 → (𝐼 ∈ (0..^𝐽) ∨ 𝐽 ∈ (0..^𝐼) ∨ 𝐼 = 𝐽)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 ∨ w3o 1102 ∧ w3a 1103 = wceq 1570 ∈ wcel 2147 class class class wbr 5108 ‘cfv 6566 (class class class)co 7451 Er wer 8752 ℝcr 11238 0cc0 11239 < clt 11382 ℕ0cn0 12646 ℤcz 12733 ..^cfzo 13828 ♯chash 14515 Chain cchn 18829 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4841 df-uni 4873 df-iun 4958 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-om 7912 df-1st 8035 df-2nd 8036 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-er 8755 df-en 9012 df-dom 9013 df-sdom 9014 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-n0 12647 df-z 12734 df-uz 13006 df-fz 13680 df-fzo 13829 |
| This theorem is used by: chner 48168 |
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