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| Mirrors > Home > MPE Home > Th. List > Mathboxes > iccpartgtl | Structured version Visualization version GIF version | ||
| Description: If there is a partition, then all intermediate points and the upper bound are strictly greater than the lower bound. (Contributed by AV, 14-Jul-2020.) |
| Ref | Expression |
|---|---|
| iccpartgtprec.m | ⊢ (𝜑 → 𝑀 ∈ ℕ) |
| iccpartgtprec.p | ⊢ (𝜑 → 𝑃 ∈ (RePart‘𝑀)) |
| Ref | Expression |
|---|---|
| iccpartgtl | ⊢ (𝜑 → ∀𝑖 ∈ (1...𝑀)(𝑃‘0) < (𝑃‘𝑖)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | iccpartgtprec.m | . . . . . . 7 ⊢ (𝜑 → 𝑀 ∈ ℕ) | |
| 2 | elnnuz 12903 | . . . . . . 7 ⊢ (𝑀 ∈ ℕ ↔ 𝑀 ∈ (ℤ≥‘1)) | |
| 3 | 1, 2 | sylib 221 | . . . . . 6 ⊢ (𝜑 → 𝑀 ∈ (ℤ≥‘1)) |
| 4 | fzisfzounsn 13811 | . . . . . 6 ⊢ (𝑀 ∈ (ℤ≥‘1) → (1...𝑀) = ((1..^𝑀) ∪ {𝑀})) | |
| 5 | 3, 4 | syl 18 | . . . . 5 ⊢ (𝜑 → (1...𝑀) = ((1..^𝑀) ∪ {𝑀})) |
| 6 | 5 | eleq2d 2849 | . . . 4 ⊢ (𝜑 → (𝑖 ∈ (1...𝑀) ↔ 𝑖 ∈ ((1..^𝑀) ∪ {𝑀}))) |
| 7 | elun 4108 | . . . . 5 ⊢ (𝑖 ∈ ((1..^𝑀) ∪ {𝑀}) ↔ (𝑖 ∈ (1..^𝑀) ∨ 𝑖 ∈ {𝑀})) | |
| 8 | 7 | a1i 11 | . . . 4 ⊢ (𝜑 → (𝑖 ∈ ((1..^𝑀) ∪ {𝑀}) ↔ (𝑖 ∈ (1..^𝑀) ∨ 𝑖 ∈ {𝑀}))) |
| 9 | velsn 4606 | . . . . . 6 ⊢ (𝑖 ∈ {𝑀} ↔ 𝑖 = 𝑀) | |
| 10 | 9 | a1i 11 | . . . . 5 ⊢ (𝜑 → (𝑖 ∈ {𝑀} ↔ 𝑖 = 𝑀)) |
| 11 | 10 | orbi2d 928 | . . . 4 ⊢ (𝜑 → ((𝑖 ∈ (1..^𝑀) ∨ 𝑖 ∈ {𝑀}) ↔ (𝑖 ∈ (1..^𝑀) ∨ 𝑖 = 𝑀))) |
| 12 | 6, 8, 11 | 3bitrd 308 | . . 3 ⊢ (𝜑 → (𝑖 ∈ (1...𝑀) ↔ (𝑖 ∈ (1..^𝑀) ∨ 𝑖 = 𝑀))) |
| 13 | fveq2 6883 | . . . . . . . 8 ⊢ (𝑘 = 𝑖 → (𝑃‘𝑘) = (𝑃‘𝑖)) | |
| 14 | 13 | breq2d 5122 | . . . . . . 7 ⊢ (𝑘 = 𝑖 → ((𝑃‘0) < (𝑃‘𝑘) ↔ (𝑃‘0) < (𝑃‘𝑖))) |
| 15 | 14 | rspccv 3579 | . . . . . 6 ⊢ (∀𝑘 ∈ (1..^𝑀)(𝑃‘0) < (𝑃‘𝑘) → (𝑖 ∈ (1..^𝑀) → (𝑃‘0) < (𝑃‘𝑖))) |
| 16 | iccpartgtprec.p | . . . . . . 7 ⊢ (𝜑 → 𝑃 ∈ (RePart‘𝑀)) | |
| 17 | 1, 16 | iccpartigtl 48155 | . . . . . 6 ⊢ (𝜑 → ∀𝑘 ∈ (1..^𝑀)(𝑃‘0) < (𝑃‘𝑘)) |
| 18 | 15, 17 | syl11 34 | . . . . 5 ⊢ (𝑖 ∈ (1..^𝑀) → (𝜑 → (𝑃‘0) < (𝑃‘𝑖))) |
| 19 | 1, 16 | iccpartlt 48156 | . . . . . . . 8 ⊢ (𝜑 → (𝑃‘0) < (𝑃‘𝑀)) |
| 20 | 19 | adantl 486 | . . . . . . 7 ⊢ ((𝑖 = 𝑀 ∧ 𝜑) → (𝑃‘0) < (𝑃‘𝑀)) |
| 21 | fveq2 6883 | . . . . . . . 8 ⊢ (𝑖 = 𝑀 → (𝑃‘𝑖) = (𝑃‘𝑀)) | |
| 22 | 21 | adantr 485 | . . . . . . 7 ⊢ ((𝑖 = 𝑀 ∧ 𝜑) → (𝑃‘𝑖) = (𝑃‘𝑀)) |
| 23 | 20, 22 | breqtrrd 5140 | . . . . . 6 ⊢ ((𝑖 = 𝑀 ∧ 𝜑) → (𝑃‘0) < (𝑃‘𝑖)) |
| 24 | 23 | ex 417 | . . . . 5 ⊢ (𝑖 = 𝑀 → (𝜑 → (𝑃‘0) < (𝑃‘𝑖))) |
| 25 | 18, 24 | jaoi 870 | . . . 4 ⊢ ((𝑖 ∈ (1..^𝑀) ∨ 𝑖 = 𝑀) → (𝜑 → (𝑃‘0) < (𝑃‘𝑖))) |
| 26 | 25 | com12 33 | . . 3 ⊢ (𝜑 → ((𝑖 ∈ (1..^𝑀) ∨ 𝑖 = 𝑀) → (𝑃‘0) < (𝑃‘𝑖))) |
| 27 | 12, 26 | sylbid 243 | . 2 ⊢ (𝜑 → (𝑖 ∈ (1...𝑀) → (𝑃‘0) < (𝑃‘𝑖))) |
| 28 | 27 | ralrimiv 3156 | 1 ⊢ (𝜑 → ∀𝑖 ∈ (1...𝑀)(𝑃‘0) < (𝑃‘𝑖)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 ∨ wo 860 = wceq 1570 ∈ wcel 2143 ∀wral 3079 ∪ cun 3904 {csn 4590 class class class wbr 5110 ‘cfv 6538 (class class class)co 7412 0cc0 11101 1c1 11102 < clt 11244 ℕcn 12234 ℤ≥cuz 12863 ...cfz 13536 ..^cfzo 13684 RePartciccp 48145 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-nul 5270 ax-pow 5338 ax-pr 5406 ax-un 7734 ax-cnex 11157 ax-resscn 11158 ax-1cn 11159 ax-icn 11160 ax-addcl 11161 ax-addrcl 11162 ax-mulcl 11163 ax-mulrcl 11164 ax-mulcom 11165 ax-addass 11166 ax-mulass 11167 ax-distr 11168 ax-i2m1 11169 ax-1ne0 11170 ax-1rid 11171 ax-rnegex 11172 ax-rrecex 11173 ax-cnre 11174 ax-pre-lttri 11175 ax-pre-lttrn 11176 ax-pre-ltadd 11177 ax-pre-mulgt0 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3746 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4489 df-pw 4565 df-sn 4591 df-pr 4593 df-op 4597 df-uni 4874 df-iun 4959 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5558 df-eprel 5563 df-po 5571 df-so 5572 df-fr 5616 df-we 5618 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-ima 5676 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 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7864 df-1st 7987 df-2nd 7988 df-frecs 8279 df-wrecs 8310 df-recs 8359 df-rdg 8398 df-er 8695 df-map 8827 df-en 8945 df-dom 8946 df-sdom 8947 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11444 df-neg 11445 df-nn 12235 df-2 12304 df-n0 12506 df-z 12593 df-uz 12864 df-fz 13537 df-fzo 13685 df-iccp 48146 |
| This theorem is referenced by: iccpartgel 48161 |
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