MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  fi1uzind Structured version   Visualization version   GIF version

Theorem fi1uzind 13516
Description: Properties of an ordered pair with a finite first component with at least L elements, proven by finite induction on the size of the first component. This theorem can be applied for graphs (represented as orderd pairs of vertices and edges) with a finite number of vertices, usually with 𝐿 = 0 (see opfi1ind 13521) or 𝐿 = 1. (Contributed by AV, 22-Oct-2020.) (Revised by AV, 28-Mar-2021.)
Hypotheses
Ref Expression
fi1uzind.f 𝐹 ∈ V
fi1uzind.l 𝐿 ∈ ℕ0
fi1uzind.1 ((𝑣 = 𝑉𝑒 = 𝐸) → (𝜓𝜑))
fi1uzind.2 ((𝑣 = 𝑤𝑒 = 𝑓) → (𝜓𝜃))
fi1uzind.3 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛𝑣) → [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌)
fi1uzind.4 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → (𝜃𝜒))
fi1uzind.base (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = 𝐿) → 𝜓)
fi1uzind.step ((((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = (𝑦 + 1) ∧ 𝑛𝑣)) ∧ 𝜒) → 𝜓)
Assertion
Ref Expression
fi1uzind (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑉 ∈ Fin ∧ 𝐿 ≤ (♯‘𝑉)) → 𝜑)
Distinct variable groups:   𝑎,𝑏,𝑒,𝑛,𝑣,𝑦,𝑓,𝑤   𝐸,𝑎,𝑒,𝑛,𝑣   𝐹,𝑎,𝑓,𝑤   𝑒,𝐿,𝑛,𝑣,𝑦   𝑉,𝑎,𝑏,𝑒,𝑛,𝑣   𝜓,𝑓,𝑛,𝑤,𝑦   𝜃,𝑒,𝑛,𝑣   𝜒,𝑓,𝑤   𝜑,𝑒,𝑛,𝑣   𝜌,𝑒,𝑓,𝑛,𝑣,𝑤,𝑦
Allowed substitution hints:   𝜑(𝑦,𝑤,𝑓,𝑎,𝑏)   𝜓(𝑣,𝑒,𝑎,𝑏)   𝜒(𝑦,𝑣,𝑒,𝑛,𝑎,𝑏)   𝜃(𝑦,𝑤,𝑓,𝑎,𝑏)   𝜌(𝑎,𝑏)   𝐸(𝑦,𝑤,𝑓,𝑏)   𝐹(𝑦,𝑣,𝑒,𝑛,𝑏)   𝐿(𝑤,𝑓,𝑎,𝑏)   𝑉(𝑦,𝑤,𝑓)

Proof of Theorem fi1uzind
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 df-clel 2813 . . . 4 ((♯‘𝑉) ∈ ℕ0 ↔ ∃𝑛(𝑛 = (♯‘𝑉) ∧ 𝑛 ∈ ℕ0))
2 fi1uzind.l . . . . . . . . . . . . . 14 𝐿 ∈ ℕ0
3 nn0z 11686 . . . . . . . . . . . . . 14 (𝐿 ∈ ℕ0𝐿 ∈ ℤ)
42, 3mp1i 13 . . . . . . . . . . . . 13 (((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) ∧ 𝑛 = (♯‘𝑉)) → 𝐿 ∈ ℤ)
5 nn0z 11686 . . . . . . . . . . . . . 14 (𝑛 ∈ ℕ0𝑛 ∈ ℤ)
65ad2antlr 709 . . . . . . . . . . . . 13 (((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) ∧ 𝑛 = (♯‘𝑉)) → 𝑛 ∈ ℤ)
7 breq2 4859 . . . . . . . . . . . . . . . . 17 ((♯‘𝑉) = 𝑛 → (𝐿 ≤ (♯‘𝑉) ↔ 𝐿𝑛))
87eqcoms 2825 . . . . . . . . . . . . . . . 16 (𝑛 = (♯‘𝑉) → (𝐿 ≤ (♯‘𝑉) ↔ 𝐿𝑛))
98biimpcd 240 . . . . . . . . . . . . . . 15 (𝐿 ≤ (♯‘𝑉) → (𝑛 = (♯‘𝑉) → 𝐿𝑛))
109adantr 468 . . . . . . . . . . . . . 14 ((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) → (𝑛 = (♯‘𝑉) → 𝐿𝑛))
1110imp 395 . . . . . . . . . . . . 13 (((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) ∧ 𝑛 = (♯‘𝑉)) → 𝐿𝑛)
12 eqeq1 2821 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝐿 → (𝑥 = (♯‘𝑣) ↔ 𝐿 = (♯‘𝑣)))
1312anbi2d 616 . . . . . . . . . . . . . . . 16 (𝑥 = 𝐿 → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) ↔ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣))))
1413imbi1d 332 . . . . . . . . . . . . . . 15 (𝑥 = 𝐿 → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣)) → 𝜓)))
15142albidv 2014 . . . . . . . . . . . . . 14 (𝑥 = 𝐿 → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣)) → 𝜓)))
16 eqeq1 2821 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑦 → (𝑥 = (♯‘𝑣) ↔ 𝑦 = (♯‘𝑣)))
1716anbi2d 616 . . . . . . . . . . . . . . . 16 (𝑥 = 𝑦 → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) ↔ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣))))
1817imbi1d 332 . . . . . . . . . . . . . . 15 (𝑥 = 𝑦 → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) → 𝜓)))
19182albidv 2014 . . . . . . . . . . . . . 14 (𝑥 = 𝑦 → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) → 𝜓)))
20 eqeq1 2821 . . . . . . . . . . . . . . . . 17 (𝑥 = (𝑦 + 1) → (𝑥 = (♯‘𝑣) ↔ (𝑦 + 1) = (♯‘𝑣)))
2120anbi2d 616 . . . . . . . . . . . . . . . 16 (𝑥 = (𝑦 + 1) → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) ↔ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣))))
2221imbi1d 332 . . . . . . . . . . . . . . 15 (𝑥 = (𝑦 + 1) → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓)))
23222albidv 2014 . . . . . . . . . . . . . 14 (𝑥 = (𝑦 + 1) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓)))
24 eqeq1 2821 . . . . . . . . . . . . . . . . 17 (𝑥 = 𝑛 → (𝑥 = (♯‘𝑣) ↔ 𝑛 = (♯‘𝑣)))
2524anbi2d 616 . . . . . . . . . . . . . . . 16 (𝑥 = 𝑛 → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) ↔ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣))))
2625imbi1d 332 . . . . . . . . . . . . . . 15 (𝑥 = 𝑛 → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓)))
27262albidv 2014 . . . . . . . . . . . . . 14 (𝑥 = 𝑛 → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑥 = (♯‘𝑣)) → 𝜓) ↔ ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓)))
28 eqcom 2824 . . . . . . . . . . . . . . . . 17 (𝐿 = (♯‘𝑣) ↔ (♯‘𝑣) = 𝐿)
29 fi1uzind.base . . . . . . . . . . . . . . . . 17 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = 𝐿) → 𝜓)
3028, 29sylan2b 583 . . . . . . . . . . . . . . . 16 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣)) → 𝜓)
3130gen2 1878 . . . . . . . . . . . . . . 15 𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣)) → 𝜓)
3231a1i 11 . . . . . . . . . . . . . 14 (𝐿 ∈ ℤ → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝐿 = (♯‘𝑣)) → 𝜓))
33 simpl 470 . . . . . . . . . . . . . . . . . . 19 ((𝑣 = 𝑤𝑒 = 𝑓) → 𝑣 = 𝑤)
34 simpr 473 . . . . . . . . . . . . . . . . . . . 20 ((𝑣 = 𝑤𝑒 = 𝑓) → 𝑒 = 𝑓)
3534sbceq1d 3649 . . . . . . . . . . . . . . . . . . 19 ((𝑣 = 𝑤𝑒 = 𝑓) → ([𝑒 / 𝑏]𝜌[𝑓 / 𝑏]𝜌))
3633, 35sbceqbid 3651 . . . . . . . . . . . . . . . . . 18 ((𝑣 = 𝑤𝑒 = 𝑓) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌[𝑤 / 𝑎][𝑓 / 𝑏]𝜌))
37 fveq2 6418 . . . . . . . . . . . . . . . . . . . 20 (𝑣 = 𝑤 → (♯‘𝑣) = (♯‘𝑤))
3837eqeq2d 2827 . . . . . . . . . . . . . . . . . . 19 (𝑣 = 𝑤 → (𝑦 = (♯‘𝑣) ↔ 𝑦 = (♯‘𝑤)))
3938adantr 468 . . . . . . . . . . . . . . . . . 18 ((𝑣 = 𝑤𝑒 = 𝑓) → (𝑦 = (♯‘𝑣) ↔ 𝑦 = (♯‘𝑤)))
4036, 39anbi12d 618 . . . . . . . . . . . . . . . . 17 ((𝑣 = 𝑤𝑒 = 𝑓) → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) ↔ ([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤))))
41 fi1uzind.2 . . . . . . . . . . . . . . . . 17 ((𝑣 = 𝑤𝑒 = 𝑓) → (𝜓𝜃))
4240, 41imbi12d 335 . . . . . . . . . . . . . . . 16 ((𝑣 = 𝑤𝑒 = 𝑓) → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) → 𝜓) ↔ (([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃)))
4342cbval2v 2456 . . . . . . . . . . . . . . 15 (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) → 𝜓) ↔ ∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃))
44 nn0ge0 11604 . . . . . . . . . . . . . . . . . . . . 21 (𝐿 ∈ ℕ0 → 0 ≤ 𝐿)
45 0red 10338 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑦 ∈ ℤ → 0 ∈ ℝ)
46 nn0re 11588 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝐿 ∈ ℕ0𝐿 ∈ ℝ)
472, 46mp1i 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑦 ∈ ℤ → 𝐿 ∈ ℝ)
48 zre 11667 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑦 ∈ ℤ → 𝑦 ∈ ℝ)
49 letr 10426 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((0 ∈ ℝ ∧ 𝐿 ∈ ℝ ∧ 𝑦 ∈ ℝ) → ((0 ≤ 𝐿𝐿𝑦) → 0 ≤ 𝑦))
5045, 47, 48, 49syl3anc 1483 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑦 ∈ ℤ → ((0 ≤ 𝐿𝐿𝑦) → 0 ≤ 𝑦))
51 0nn0 11594 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 0 ∈ ℕ0
52 pm3.22 449 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((0 ≤ 𝑦𝑦 ∈ ℤ) → (𝑦 ∈ ℤ ∧ 0 ≤ 𝑦))
53 0z 11674 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 0 ∈ ℤ
54 eluz1 11928 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (0 ∈ ℤ → (𝑦 ∈ (ℤ‘0) ↔ (𝑦 ∈ ℤ ∧ 0 ≤ 𝑦)))
5553, 54mp1i 13 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((0 ≤ 𝑦𝑦 ∈ ℤ) → (𝑦 ∈ (ℤ‘0) ↔ (𝑦 ∈ ℤ ∧ 0 ≤ 𝑦)))
5652, 55mpbird 248 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((0 ≤ 𝑦𝑦 ∈ ℤ) → 𝑦 ∈ (ℤ‘0))
57 eluznn0 11996 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((0 ∈ ℕ0𝑦 ∈ (ℤ‘0)) → 𝑦 ∈ ℕ0)
5851, 56, 57sylancr 577 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((0 ≤ 𝑦𝑦 ∈ ℤ) → 𝑦 ∈ ℕ0)
5958ex 399 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (0 ≤ 𝑦 → (𝑦 ∈ ℤ → 𝑦 ∈ ℕ0))
6050, 59syl6com 37 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((0 ≤ 𝐿𝐿𝑦) → (𝑦 ∈ ℤ → (𝑦 ∈ ℤ → 𝑦 ∈ ℕ0)))
6160ex 399 . . . . . . . . . . . . . . . . . . . . . . . . 25 (0 ≤ 𝐿 → (𝐿𝑦 → (𝑦 ∈ ℤ → (𝑦 ∈ ℤ → 𝑦 ∈ ℕ0))))
6261com14 96 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑦 ∈ ℤ → (𝐿𝑦 → (𝑦 ∈ ℤ → (0 ≤ 𝐿𝑦 ∈ ℕ0))))
6362pm2.43a 54 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑦 ∈ ℤ → (𝐿𝑦 → (0 ≤ 𝐿𝑦 ∈ ℕ0)))
6463imp 395 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑦 ∈ ℤ ∧ 𝐿𝑦) → (0 ≤ 𝐿𝑦 ∈ ℕ0))
6564com12 32 . . . . . . . . . . . . . . . . . . . . 21 (0 ≤ 𝐿 → ((𝑦 ∈ ℤ ∧ 𝐿𝑦) → 𝑦 ∈ ℕ0))
662, 44, 65mp2b 10 . . . . . . . . . . . . . . . . . . . 20 ((𝑦 ∈ ℤ ∧ 𝐿𝑦) → 𝑦 ∈ ℕ0)
67663adant1 1153 . . . . . . . . . . . . . . . . . . 19 ((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) → 𝑦 ∈ ℕ0)
68 eqcom 2824 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑦 + 1) = (♯‘𝑣) ↔ (♯‘𝑣) = (𝑦 + 1))
69 nn0p1gt0 11608 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑦 ∈ ℕ0 → 0 < (𝑦 + 1))
7069adantr 468 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑦 ∈ ℕ0 ∧ (♯‘𝑣) = (𝑦 + 1)) → 0 < (𝑦 + 1))
71 simpr 473 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑦 ∈ ℕ0 ∧ (♯‘𝑣) = (𝑦 + 1)) → (♯‘𝑣) = (𝑦 + 1))
7270, 71breqtrrd 4883 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑦 ∈ ℕ0 ∧ (♯‘𝑣) = (𝑦 + 1)) → 0 < (♯‘𝑣))
7368, 72sylan2b 583 . . . . . . . . . . . . . . . . . . . . 21 ((𝑦 ∈ ℕ0 ∧ (𝑦 + 1) = (♯‘𝑣)) → 0 < (♯‘𝑣))
7473adantrl 698 . . . . . . . . . . . . . . . . . . . 20 ((𝑦 ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣))) → 0 < (♯‘𝑣))
75 vex 3405 . . . . . . . . . . . . . . . . . . . . . . 23 𝑣 ∈ V
76 hashgt0elex 13426 . . . . . . . . . . . . . . . . . . . . . . . . . 26 ((𝑣 ∈ V ∧ 0 < (♯‘𝑣)) → ∃𝑛 𝑛𝑣)
77 fi1uzind.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛𝑣) → [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌)
7875a1i 11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ((𝑦 ∈ ℕ0𝑛𝑣) → 𝑣 ∈ V)
79 simpr 473 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ((𝑦 ∈ ℕ0𝑛𝑣) → 𝑛𝑣)
80 simpl 470 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ((𝑦 ∈ ℕ0𝑛𝑣) → 𝑦 ∈ ℕ0)
81 hashdifsnp1 13515 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 ((𝑣 ∈ V ∧ 𝑛𝑣𝑦 ∈ ℕ0) → ((♯‘𝑣) = (𝑦 + 1) → (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
8268, 81syl5bi 233 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 ((𝑣 ∈ V ∧ 𝑛𝑣𝑦 ∈ ℕ0) → ((𝑦 + 1) = (♯‘𝑣) → (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
8378, 79, 80, 82syl3anc 1483 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 ((𝑦 ∈ ℕ0𝑛𝑣) → ((𝑦 + 1) = (♯‘𝑣) → (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
8483imp 395 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → (♯‘(𝑣 ∖ {𝑛})) = 𝑦)
85 peano2nn0 11619 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (𝑦 ∈ ℕ0 → (𝑦 + 1) ∈ ℕ0)
8685ad2antrr 708 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → (𝑦 + 1) ∈ ℕ0)
8786ad2antlr 709 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → (𝑦 + 1) ∈ ℕ0)
88 simpr 473 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → [𝑣 / 𝑎][𝑒 / 𝑏]𝜌)
89 simplrr 787 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → (𝑦 + 1) = (♯‘𝑣))
90 simprlr 789 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) → 𝑛𝑣)
9190adantr 468 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → 𝑛𝑣)
9288, 89, 913jca 1151 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣) ∧ 𝑛𝑣))
9387, 92jca 503 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → ((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣) ∧ 𝑛𝑣)))
94 difexg 5016 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 (𝑣 ∈ V → (𝑣 ∖ {𝑛}) ∈ V)
9575, 94ax-mp 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (𝑣 ∖ {𝑛}) ∈ V
96 fi1uzind.f . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 𝐹 ∈ V
97 simpl 470 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → 𝑤 = (𝑣 ∖ {𝑛}))
98 simpr 473 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → 𝑓 = 𝐹)
9998sbceq1d 3649 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → ([𝑓 / 𝑏]𝜌[𝐹 / 𝑏]𝜌))
10097, 99sbceqbid 3651 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → ([𝑤 / 𝑎][𝑓 / 𝑏]𝜌[(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌))
101 eqcom 2824 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 (𝑦 = (♯‘𝑤) ↔ (♯‘𝑤) = 𝑦)
102 fveqeq2 6427 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 (𝑤 = (𝑣 ∖ {𝑛}) → ((♯‘𝑤) = 𝑦 ↔ (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
103101, 102syl5bb 274 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 (𝑤 = (𝑣 ∖ {𝑛}) → (𝑦 = (♯‘𝑤) ↔ (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
104103adantr 468 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → (𝑦 = (♯‘𝑤) ↔ (♯‘(𝑣 ∖ {𝑛})) = 𝑦))
105100, 104anbi12d 618 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → (([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) ↔ ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 ∧ (♯‘(𝑣 ∖ {𝑛})) = 𝑦)))
106 fi1uzind.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → (𝜃𝜒))
107105, 106imbi12d 335 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 ((𝑤 = (𝑣 ∖ {𝑛}) ∧ 𝑓 = 𝐹) → ((([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ↔ (([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 ∧ (♯‘(𝑣 ∖ {𝑛})) = 𝑦) → 𝜒)))
108107spc2gv 3500 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 (((𝑣 ∖ {𝑛}) ∈ V ∧ 𝐹 ∈ V) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → (([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 ∧ (♯‘(𝑣 ∖ {𝑛})) = 𝑦) → 𝜒)))
10995, 96, 108mp2an 675 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → (([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 ∧ (♯‘(𝑣 ∖ {𝑛})) = 𝑦) → 𝜒))
110109expdimp 442 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) → ((♯‘(𝑣 ∖ {𝑛})) = 𝑦𝜒))
111110ad2antrr 708 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → ((♯‘(𝑣 ∖ {𝑛})) = 𝑦𝜒))
112683anbi2i 1190 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣) ∧ 𝑛𝑣) ↔ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = (𝑦 + 1) ∧ 𝑛𝑣))
113112anbi2i 611 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 (((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣) ∧ 𝑛𝑣)) ↔ ((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = (𝑦 + 1) ∧ 𝑛𝑣)))
114 fi1uzind.step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 ((((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (♯‘𝑣) = (𝑦 + 1) ∧ 𝑛𝑣)) ∧ 𝜒) → 𝜓)
115113, 114sylanb 572 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 ((((𝑦 + 1) ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣) ∧ 𝑛𝑣)) ∧ 𝜒) → 𝜓)
11693, 111, 115syl6an 666 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 ((((∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) ∧ [(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌) ∧ ((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣))) ∧ [𝑣 / 𝑎][𝑒 / 𝑏]𝜌) → ((♯‘(𝑣 ∖ {𝑛})) = 𝑦𝜓))
117116exp41 423 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → ((♯‘(𝑣 ∖ {𝑛})) = 𝑦𝜓)))))
118117com15 101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 ((♯‘(𝑣 ∖ {𝑛})) = 𝑦 → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
119118com23 86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ((♯‘(𝑣 ∖ {𝑛})) = 𝑦 → (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
12084, 119mpcom 38 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 (((𝑦 ∈ ℕ0𝑛𝑣) ∧ (𝑦 + 1) = (♯‘𝑣)) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))
121120ex 399 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 ((𝑦 ∈ ℕ0𝑛𝑣) → ((𝑦 + 1) = (♯‘𝑣) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
122121com23 86 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 ((𝑦 ∈ ℕ0𝑛𝑣) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
123122ex 399 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 (𝑦 ∈ ℕ0 → (𝑛𝑣 → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))))
124123com15 101 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (𝑛𝑣 → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))))
125124imp 395 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛𝑣) → ([(𝑣 ∖ {𝑛}) / 𝑎][𝐹 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
12677, 125mpd 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛𝑣) → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))
127126ex 399 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (𝑛𝑣 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
128127com4l 92 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑛𝑣 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
129128exlimiv 2021 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (∃𝑛 𝑛𝑣 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
13076, 129syl 17 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑣 ∈ V ∧ 0 < (♯‘𝑣)) → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
131130ex 399 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑣 ∈ V → (0 < (♯‘𝑣) → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))))
132131com25 99 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑣 ∈ V → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (0 < (♯‘𝑣) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))))
13375, 132ax-mp 5 . . . . . . . . . . . . . . . . . . . . . 22 ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 → ((𝑦 + 1) = (♯‘𝑣) → (𝑦 ∈ ℕ0 → (0 < (♯‘𝑣) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))))
134133imp 395 . . . . . . . . . . . . . . . . . . . . 21 (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → (𝑦 ∈ ℕ0 → (0 < (♯‘𝑣) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))))
135134impcom 396 . . . . . . . . . . . . . . . . . . . 20 ((𝑦 ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣))) → (0 < (♯‘𝑣) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓)))
13674, 135mpd 15 . . . . . . . . . . . . . . . . . . 19 ((𝑦 ∈ ℕ0 ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣))) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))
13767, 136sylan 571 . . . . . . . . . . . . . . . . . 18 (((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) ∧ ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣))) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → 𝜓))
138137impancom 441 . . . . . . . . . . . . . . . . 17 (((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) ∧ ∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃)) → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓))
139138alrimivv 2019 . . . . . . . . . . . . . . . 16 (((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) ∧ ∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃)) → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓))
140139ex 399 . . . . . . . . . . . . . . 15 ((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) → (∀𝑤𝑓(([𝑤 / 𝑎][𝑓 / 𝑏]𝜌𝑦 = (♯‘𝑤)) → 𝜃) → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓)))
14143, 140syl5bi 233 . . . . . . . . . . . . . 14 ((𝐿 ∈ ℤ ∧ 𝑦 ∈ ℤ ∧ 𝐿𝑦) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑦 = (♯‘𝑣)) → 𝜓) → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌 ∧ (𝑦 + 1) = (♯‘𝑣)) → 𝜓)))
14215, 19, 23, 27, 32, 141uzind 11755 . . . . . . . . . . . . 13 ((𝐿 ∈ ℤ ∧ 𝑛 ∈ ℤ ∧ 𝐿𝑛) → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓))
1434, 6, 11, 142syl3anc 1483 . . . . . . . . . . . 12 (((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) ∧ 𝑛 = (♯‘𝑉)) → ∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓))
144 sbcex 3654 . . . . . . . . . . . . . . 15 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑉 ∈ V)
145 sbccom 3716 . . . . . . . . . . . . . . . 16 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌[𝐸 / 𝑏][𝑉 / 𝑎]𝜌)
146 sbcex 3654 . . . . . . . . . . . . . . . 16 ([𝐸 / 𝑏][𝑉 / 𝑎]𝜌𝐸 ∈ V)
147145, 146sylbi 208 . . . . . . . . . . . . . . 15 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝐸 ∈ V)
148144, 147jca 503 . . . . . . . . . . . . . 14 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝑉 ∈ V ∧ 𝐸 ∈ V))
149 simpl 470 . . . . . . . . . . . . . . . . . . . 20 ((𝑣 = 𝑉𝑒 = 𝐸) → 𝑣 = 𝑉)
150 simpr 473 . . . . . . . . . . . . . . . . . . . . 21 ((𝑣 = 𝑉𝑒 = 𝐸) → 𝑒 = 𝐸)
151150sbceq1d 3649 . . . . . . . . . . . . . . . . . . . 20 ((𝑣 = 𝑉𝑒 = 𝐸) → ([𝑒 / 𝑏]𝜌[𝐸 / 𝑏]𝜌))
152149, 151sbceqbid 3651 . . . . . . . . . . . . . . . . . . 19 ((𝑣 = 𝑉𝑒 = 𝐸) → ([𝑣 / 𝑎][𝑒 / 𝑏]𝜌[𝑉 / 𝑎][𝐸 / 𝑏]𝜌))
153 fveq2 6418 . . . . . . . . . . . . . . . . . . . . 21 (𝑣 = 𝑉 → (♯‘𝑣) = (♯‘𝑉))
154153eqeq2d 2827 . . . . . . . . . . . . . . . . . . . 20 (𝑣 = 𝑉 → (𝑛 = (♯‘𝑣) ↔ 𝑛 = (♯‘𝑉)))
155154adantr 468 . . . . . . . . . . . . . . . . . . 19 ((𝑣 = 𝑉𝑒 = 𝐸) → (𝑛 = (♯‘𝑣) ↔ 𝑛 = (♯‘𝑉)))
156152, 155anbi12d 618 . . . . . . . . . . . . . . . . . 18 ((𝑣 = 𝑉𝑒 = 𝐸) → (([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) ↔ ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉))))
157 fi1uzind.1 . . . . . . . . . . . . . . . . . 18 ((𝑣 = 𝑉𝑒 = 𝐸) → (𝜓𝜑))
158156, 157imbi12d 335 . . . . . . . . . . . . . . . . 17 ((𝑣 = 𝑉𝑒 = 𝐸) → ((([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) ↔ (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → 𝜑)))
159158spc2gv 3500 . . . . . . . . . . . . . . . 16 ((𝑉 ∈ V ∧ 𝐸 ∈ V) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) → (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → 𝜑)))
160159com23 86 . . . . . . . . . . . . . . 15 ((𝑉 ∈ V ∧ 𝐸 ∈ V) → (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) → 𝜑)))
161160expd 402 . . . . . . . . . . . . . 14 ((𝑉 ∈ V ∧ 𝐸 ∈ V) → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝑛 = (♯‘𝑉) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) → 𝜑))))
162148, 161mpcom 38 . . . . . . . . . . . . 13 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝑛 = (♯‘𝑉) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) → 𝜑)))
163162imp 395 . . . . . . . . . . . 12 (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → (∀𝑣𝑒(([𝑣 / 𝑎][𝑒 / 𝑏]𝜌𝑛 = (♯‘𝑣)) → 𝜓) → 𝜑))
164143, 163syl5com 31 . . . . . . . . . . 11 (((𝐿 ≤ (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) ∧ 𝑛 = (♯‘𝑉)) → (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → 𝜑))
165164exp31 408 . . . . . . . . . 10 (𝐿 ≤ (♯‘𝑉) → (𝑛 ∈ ℕ0 → (𝑛 = (♯‘𝑉) → (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → 𝜑))))
166165com14 96 . . . . . . . . 9 (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑛 = (♯‘𝑉)) → (𝑛 ∈ ℕ0 → (𝑛 = (♯‘𝑉) → (𝐿 ≤ (♯‘𝑉) → 𝜑))))
167166expcom 400 . . . . . . . 8 (𝑛 = (♯‘𝑉) → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝑛 ∈ ℕ0 → (𝑛 = (♯‘𝑉) → (𝐿 ≤ (♯‘𝑉) → 𝜑)))))
168167com24 95 . . . . . . 7 (𝑛 = (♯‘𝑉) → (𝑛 = (♯‘𝑉) → (𝑛 ∈ ℕ0 → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝐿 ≤ (♯‘𝑉) → 𝜑)))))
169168pm2.43i 52 . . . . . 6 (𝑛 = (♯‘𝑉) → (𝑛 ∈ ℕ0 → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝐿 ≤ (♯‘𝑉) → 𝜑))))
170169imp 395 . . . . 5 ((𝑛 = (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝐿 ≤ (♯‘𝑉) → 𝜑)))
171170exlimiv 2021 . . . 4 (∃𝑛(𝑛 = (♯‘𝑉) ∧ 𝑛 ∈ ℕ0) → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝐿 ≤ (♯‘𝑉) → 𝜑)))
1721, 171sylbi 208 . . 3 ((♯‘𝑉) ∈ ℕ0 → ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝐿 ≤ (♯‘𝑉) → 𝜑)))
173 hashcl 13385 . . 3 (𝑉 ∈ Fin → (♯‘𝑉) ∈ ℕ0)
174172, 173syl11 33 . 2 ([𝑉 / 𝑎][𝐸 / 𝑏]𝜌 → (𝑉 ∈ Fin → (𝐿 ≤ (♯‘𝑉) → 𝜑)))
1751743imp 1130 1 (([𝑉 / 𝑎][𝐸 / 𝑏]𝜌𝑉 ∈ Fin ∧ 𝐿 ≤ (♯‘𝑉)) → 𝜑)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 197  wa 384  w3a 1100  wal 1635   = wceq 1637  wex 1859  wcel 2157  Vcvv 3402  [wsbc 3644  cdif 3777  {csn 4381   class class class wbr 4855  cfv 6111  (class class class)co 6884  Fincfn 8202  cr 10230  0cc0 10231  1c1 10232   + caddc 10234   < clt 10369  cle 10370  0cn0 11579  cz 11663  cuz 11924  chash 13357
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1877  ax-4 1894  ax-5 2001  ax-6 2069  ax-7 2105  ax-8 2159  ax-9 2166  ax-10 2186  ax-11 2202  ax-12 2215  ax-13 2422  ax-ext 2795  ax-rep 4977  ax-sep 4988  ax-nul 4996  ax-pow 5048  ax-pr 5109  ax-un 7189  ax-cnex 10287  ax-resscn 10288  ax-1cn 10289  ax-icn 10290  ax-addcl 10291  ax-addrcl 10292  ax-mulcl 10293  ax-mulrcl 10294  ax-mulcom 10295  ax-addass 10296  ax-mulass 10297  ax-distr 10298  ax-i2m1 10299  ax-1ne0 10300  ax-1rid 10301  ax-rnegex 10302  ax-rrecex 10303  ax-cnre 10304  ax-pre-lttri 10305  ax-pre-lttrn 10306  ax-pre-ltadd 10307  ax-pre-mulgt0 10308
This theorem depends on definitions:  df-bi 198  df-an 385  df-or 866  df-3or 1101  df-3an 1102  df-tru 1641  df-ex 1860  df-nf 1864  df-sb 2062  df-mo 2635  df-eu 2642  df-clab 2804  df-cleq 2810  df-clel 2813  df-nfc 2948  df-ne 2990  df-nel 3093  df-ral 3112  df-rex 3113  df-reu 3114  df-rmo 3115  df-rab 3116  df-v 3404  df-sbc 3645  df-csb 3740  df-dif 3783  df-un 3785  df-in 3787  df-ss 3794  df-pss 3796  df-nul 4128  df-if 4291  df-pw 4364  df-sn 4382  df-pr 4384  df-tp 4386  df-op 4388  df-uni 4642  df-int 4681  df-iun 4725  df-br 4856  df-opab 4918  df-mpt 4935  df-tr 4958  df-id 5232  df-eprel 5237  df-po 5245  df-so 5246  df-fr 5283  df-we 5285  df-xp 5330  df-rel 5331  df-cnv 5332  df-co 5333  df-dm 5334  df-rn 5335  df-res 5336  df-ima 5337  df-pred 5907  df-ord 5953  df-on 5954  df-lim 5955  df-suc 5956  df-iota 6074  df-fun 6113  df-fn 6114  df-f 6115  df-f1 6116  df-fo 6117  df-f1o 6118  df-fv 6119  df-riota 6845  df-ov 6887  df-oprab 6888  df-mpt2 6889  df-om 7306  df-1st 7408  df-2nd 7409  df-wrecs 7652  df-recs 7714  df-rdg 7752  df-1o 7806  df-oadd 7810  df-er 7989  df-en 8203  df-dom 8204  df-sdom 8205  df-fin 8206  df-card 9058  df-cda 9285  df-pnf 10371  df-mnf 10372  df-xr 10373  df-ltxr 10374  df-le 10375  df-sub 10563  df-neg 10564  df-nn 11316  df-n0 11580  df-xnn0 11650  df-z 11664  df-uz 11925  df-fz 12570  df-hash 13358
This theorem is referenced by:  brfi1uzind  13517  opfi1uzind  13520
  Copyright terms: Public domain W3C validator