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Mathbox for Jonathan Ben-Naim |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > bnj1001 | Structured version Visualization version GIF version |
Description: Technical lemma for bnj69 33679. This lemma may no longer be used or have become an indirect lemma of the theorem in question (i.e. a lemma of a lemma... of the theorem). (Contributed by Jonathan Ben-Naim, 3-Jun-2011.) (New usage is discouraged.) |
Ref | Expression |
---|---|
bnj1001.3 | ⊢ (𝜒 ↔ (𝑛 ∈ 𝐷 ∧ 𝑓 Fn 𝑛 ∧ 𝜑 ∧ 𝜓)) |
bnj1001.5 | ⊢ (𝜏 ↔ (𝑚 ∈ ω ∧ 𝑛 = suc 𝑚 ∧ 𝑝 = suc 𝑛)) |
bnj1001.6 | ⊢ (𝜂 ↔ (𝑖 ∈ 𝑛 ∧ 𝑦 ∈ (𝑓‘𝑖))) |
bnj1001.13 | ⊢ 𝐷 = (ω ∖ {∅}) |
bnj1001.27 | ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝜒″) |
Ref | Expression |
---|---|
bnj1001 | ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → (𝜒″ ∧ 𝑖 ∈ ω ∧ suc 𝑖 ∈ 𝑝)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | bnj1001.27 | . 2 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝜒″) | |
2 | bnj1001.6 | . . . . 5 ⊢ (𝜂 ↔ (𝑖 ∈ 𝑛 ∧ 𝑦 ∈ (𝑓‘𝑖))) | |
3 | 2 | simplbi 499 | . . . 4 ⊢ (𝜂 → 𝑖 ∈ 𝑛) |
4 | 3 | bnj708 33425 | . . 3 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝑖 ∈ 𝑛) |
5 | bnj1001.3 | . . . . . 6 ⊢ (𝜒 ↔ (𝑛 ∈ 𝐷 ∧ 𝑓 Fn 𝑛 ∧ 𝜑 ∧ 𝜓)) | |
6 | 5 | bnj1232 33472 | . . . . 5 ⊢ (𝜒 → 𝑛 ∈ 𝐷) |
7 | 6 | bnj706 33423 | . . . 4 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝑛 ∈ 𝐷) |
8 | bnj1001.13 | . . . . 5 ⊢ 𝐷 = (ω ∖ {∅}) | |
9 | 8 | bnj923 33437 | . . . 4 ⊢ (𝑛 ∈ 𝐷 → 𝑛 ∈ ω) |
10 | 7, 9 | syl 17 | . . 3 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝑛 ∈ ω) |
11 | elnn 7814 | . . 3 ⊢ ((𝑖 ∈ 𝑛 ∧ 𝑛 ∈ ω) → 𝑖 ∈ ω) | |
12 | 4, 10, 11 | syl2anc 585 | . 2 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝑖 ∈ ω) |
13 | bnj1001.5 | . . . . . 6 ⊢ (𝜏 ↔ (𝑚 ∈ ω ∧ 𝑛 = suc 𝑚 ∧ 𝑝 = suc 𝑛)) | |
14 | 13 | simp3bi 1148 | . . . . 5 ⊢ (𝜏 → 𝑝 = suc 𝑛) |
15 | 14 | bnj707 33424 | . . . 4 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → 𝑝 = suc 𝑛) |
16 | nnord 7811 | . . . . . . 7 ⊢ (𝑛 ∈ ω → Ord 𝑛) | |
17 | ordsucelsuc 7758 | . . . . . . 7 ⊢ (Ord 𝑛 → (𝑖 ∈ 𝑛 ↔ suc 𝑖 ∈ suc 𝑛)) | |
18 | 9, 16, 17 | 3syl 18 | . . . . . 6 ⊢ (𝑛 ∈ 𝐷 → (𝑖 ∈ 𝑛 ↔ suc 𝑖 ∈ suc 𝑛)) |
19 | 18 | biimpa 478 | . . . . 5 ⊢ ((𝑛 ∈ 𝐷 ∧ 𝑖 ∈ 𝑛) → suc 𝑖 ∈ suc 𝑛) |
20 | eleq2 2823 | . . . . 5 ⊢ (𝑝 = suc 𝑛 → (suc 𝑖 ∈ 𝑝 ↔ suc 𝑖 ∈ suc 𝑛)) | |
21 | 19, 20 | anim12i 614 | . . . 4 ⊢ (((𝑛 ∈ 𝐷 ∧ 𝑖 ∈ 𝑛) ∧ 𝑝 = suc 𝑛) → (suc 𝑖 ∈ suc 𝑛 ∧ (suc 𝑖 ∈ 𝑝 ↔ suc 𝑖 ∈ suc 𝑛))) |
22 | 7, 4, 15, 21 | syl21anc 837 | . . 3 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → (suc 𝑖 ∈ suc 𝑛 ∧ (suc 𝑖 ∈ 𝑝 ↔ suc 𝑖 ∈ suc 𝑛))) |
23 | bianir 1058 | . . 3 ⊢ ((suc 𝑖 ∈ suc 𝑛 ∧ (suc 𝑖 ∈ 𝑝 ↔ suc 𝑖 ∈ suc 𝑛)) → suc 𝑖 ∈ 𝑝) | |
24 | 22, 23 | syl 17 | . 2 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → suc 𝑖 ∈ 𝑝) |
25 | 1, 12, 24 | 3jca 1129 | 1 ⊢ ((𝜃 ∧ 𝜒 ∧ 𝜏 ∧ 𝜂) → (𝜒″ ∧ 𝑖 ∈ ω ∧ suc 𝑖 ∈ 𝑝)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 205 ∧ wa 397 ∧ w3a 1088 = wceq 1542 ∈ wcel 2107 ∖ cdif 3908 ∅c0 4283 {csn 4587 Ord word 6317 suc csuc 6320 Fn wfn 6492 ‘cfv 6497 ωcom 7803 ∧ w-bnj17 33355 |
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 1914 ax-6 1972 ax-7 2012 ax-8 2109 ax-9 2117 ax-ext 2704 ax-sep 5257 ax-nul 5264 ax-pr 5385 ax-un 7673 |
This theorem depends on definitions: df-bi 206 df-an 398 df-or 847 df-3or 1089 df-3an 1090 df-tru 1545 df-fal 1555 df-ex 1783 df-sb 2069 df-clab 2711 df-cleq 2725 df-clel 2811 df-ne 2941 df-ral 3062 df-rex 3071 df-rab 3407 df-v 3446 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3930 df-nul 4284 df-if 4488 df-pw 4563 df-sn 4588 df-pr 4590 df-op 4594 df-uni 4867 df-br 5107 df-opab 5169 df-tr 5224 df-eprel 5538 df-po 5546 df-so 5547 df-fr 5589 df-we 5591 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-om 7804 df-bnj17 33356 |
This theorem is referenced by: bnj1020 33634 |
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