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Mirrors > Home > MPE Home > Th. List > pfxccatin12lem4 | Structured version Visualization version GIF version |
Description: Lemma 4 for pfxccatin12 14156. (Contributed by Alexander van der Vekens, 30-Mar-2018.) (Revised by Alexander van der Vekens, 23-May-2018.) |
Ref | Expression |
---|---|
pfxccatin12lem4 | ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → ((𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀))) → 𝐾 ∈ ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿))))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | nn0z 12058 | . . . . . 6 ⊢ (𝐿 ∈ ℕ0 → 𝐿 ∈ ℤ) | |
2 | nn0z 12058 | . . . . . 6 ⊢ (𝑀 ∈ ℕ0 → 𝑀 ∈ ℤ) | |
3 | zsubcl 12077 | . . . . . 6 ⊢ ((𝐿 ∈ ℤ ∧ 𝑀 ∈ ℤ) → (𝐿 − 𝑀) ∈ ℤ) | |
4 | 1, 2, 3 | syl2an 598 | . . . . 5 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0) → (𝐿 − 𝑀) ∈ ℤ) |
5 | 4 | 3adant3 1130 | . . . 4 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → (𝐿 − 𝑀) ∈ ℤ) |
6 | elfzonelfzo 13202 | . . . . 5 ⊢ ((𝐿 − 𝑀) ∈ ℤ → ((𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀))) → 𝐾 ∈ ((𝐿 − 𝑀)..^(𝑁 − 𝑀)))) | |
7 | 6 | imp 410 | . . . 4 ⊢ (((𝐿 − 𝑀) ∈ ℤ ∧ (𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀)))) → 𝐾 ∈ ((𝐿 − 𝑀)..^(𝑁 − 𝑀))) |
8 | 5, 7 | sylan 583 | . . 3 ⊢ (((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) ∧ (𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀)))) → 𝐾 ∈ ((𝐿 − 𝑀)..^(𝑁 − 𝑀))) |
9 | nn0cn 11958 | . . . . . . 7 ⊢ (𝐿 ∈ ℕ0 → 𝐿 ∈ ℂ) | |
10 | nn0cn 11958 | . . . . . . 7 ⊢ (𝑀 ∈ ℕ0 → 𝑀 ∈ ℂ) | |
11 | zcn 12039 | . . . . . . 7 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ) | |
12 | npncan3 10976 | . . . . . . 7 ⊢ ((𝐿 ∈ ℂ ∧ 𝑀 ∈ ℂ ∧ 𝑁 ∈ ℂ) → ((𝐿 − 𝑀) + (𝑁 − 𝐿)) = (𝑁 − 𝑀)) | |
13 | 9, 10, 11, 12 | syl3an 1158 | . . . . . 6 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → ((𝐿 − 𝑀) + (𝑁 − 𝐿)) = (𝑁 − 𝑀)) |
14 | 13 | oveq2d 7173 | . . . . 5 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿))) = ((𝐿 − 𝑀)..^(𝑁 − 𝑀))) |
15 | 14 | eleq2d 2838 | . . . 4 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → (𝐾 ∈ ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿))) ↔ 𝐾 ∈ ((𝐿 − 𝑀)..^(𝑁 − 𝑀)))) |
16 | 15 | adantr 484 | . . 3 ⊢ (((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) ∧ (𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀)))) → (𝐾 ∈ ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿))) ↔ 𝐾 ∈ ((𝐿 − 𝑀)..^(𝑁 − 𝑀)))) |
17 | 8, 16 | mpbird 260 | . 2 ⊢ (((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) ∧ (𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀)))) → 𝐾 ∈ ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿)))) |
18 | 17 | ex 416 | 1 ⊢ ((𝐿 ∈ ℕ0 ∧ 𝑀 ∈ ℕ0 ∧ 𝑁 ∈ ℤ) → ((𝐾 ∈ (0..^(𝑁 − 𝑀)) ∧ ¬ 𝐾 ∈ (0..^(𝐿 − 𝑀))) → 𝐾 ∈ ((𝐿 − 𝑀)..^((𝐿 − 𝑀) + (𝑁 − 𝐿))))) |
Colors of variables: wff setvar class |
Syntax hints: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 399 ∧ w3a 1085 = wceq 1539 ∈ wcel 2112 (class class class)co 7157 ℂcc 10587 0cc0 10589 + caddc 10592 − cmin 10922 ℕ0cn0 11948 ℤcz 12034 ..^cfzo 13096 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1912 ax-6 1971 ax-7 2016 ax-8 2114 ax-9 2122 ax-10 2143 ax-11 2159 ax-12 2176 ax-ext 2730 ax-sep 5174 ax-nul 5181 ax-pow 5239 ax-pr 5303 ax-un 7466 ax-cnex 10645 ax-resscn 10646 ax-1cn 10647 ax-icn 10648 ax-addcl 10649 ax-addrcl 10650 ax-mulcl 10651 ax-mulrcl 10652 ax-mulcom 10653 ax-addass 10654 ax-mulass 10655 ax-distr 10656 ax-i2m1 10657 ax-1ne0 10658 ax-1rid 10659 ax-rnegex 10660 ax-rrecex 10661 ax-cnre 10662 ax-pre-lttri 10663 ax-pre-lttrn 10664 ax-pre-ltadd 10665 ax-pre-mulgt0 10666 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2071 df-mo 2558 df-eu 2589 df-clab 2737 df-cleq 2751 df-clel 2831 df-nfc 2902 df-ne 2953 df-nel 3057 df-ral 3076 df-rex 3077 df-reu 3078 df-rab 3080 df-v 3412 df-sbc 3700 df-csb 3809 df-dif 3864 df-un 3866 df-in 3868 df-ss 3878 df-pss 3880 df-nul 4229 df-if 4425 df-pw 4500 df-sn 4527 df-pr 4529 df-tp 4531 df-op 4533 df-uni 4803 df-iun 4889 df-br 5038 df-opab 5100 df-mpt 5118 df-tr 5144 df-id 5435 df-eprel 5440 df-po 5448 df-so 5449 df-fr 5488 df-we 5490 df-xp 5535 df-rel 5536 df-cnv 5537 df-co 5538 df-dm 5539 df-rn 5540 df-res 5541 df-ima 5542 df-pred 6132 df-ord 6178 df-on 6179 df-lim 6180 df-suc 6181 df-iota 6300 df-fun 6343 df-fn 6344 df-f 6345 df-f1 6346 df-fo 6347 df-f1o 6348 df-fv 6349 df-riota 7115 df-ov 7160 df-oprab 7161 df-mpo 7162 df-om 7587 df-1st 7700 df-2nd 7701 df-wrecs 7964 df-recs 8025 df-rdg 8063 df-er 8306 df-en 8542 df-dom 8543 df-sdom 8544 df-pnf 10729 df-mnf 10730 df-xr 10731 df-ltxr 10732 df-le 10733 df-sub 10924 df-neg 10925 df-nn 11689 df-n0 11949 df-z 12035 df-uz 12297 df-fz 12954 df-fzo 13097 |
This theorem is referenced by: pfxccatin12 14156 |
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