Users' Mathboxes Mathbox for Scott Fenton < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  setinds2f Structured version   Visualization version   GIF version

Theorem setinds2f 35780
Description: E induction schema, using implicit substitution. (Contributed by Scott Fenton, 10-Mar-2011.) (Revised by Mario Carneiro, 11-Dec-2016.)
Hypotheses
Ref Expression
setinds2f.1 𝑥𝜓
setinds2f.2 (𝑥 = 𝑦 → (𝜑𝜓))
setinds2f.3 (∀𝑦𝑥 𝜓𝜑)
Assertion
Ref Expression
setinds2f 𝜑
Distinct variable groups:   𝑥,𝑦   𝜑,𝑦
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥,𝑦)

Proof of Theorem setinds2f
StepHypRef Expression
1 sbsbc 3792 . . . . 5 ([𝑦 / 𝑥]𝜑[𝑦 / 𝑥]𝜑)
2 setinds2f.1 . . . . . 6 𝑥𝜓
3 setinds2f.2 . . . . . 6 (𝑥 = 𝑦 → (𝜑𝜓))
42, 3sbiev 2314 . . . . 5 ([𝑦 / 𝑥]𝜑𝜓)
51, 4bitr3i 277 . . . 4 ([𝑦 / 𝑥]𝜑𝜓)
65ralbii 3093 . . 3 (∀𝑦𝑥 [𝑦 / 𝑥]𝜑 ↔ ∀𝑦𝑥 𝜓)
7 setinds2f.3 . . 3 (∀𝑦𝑥 𝜓𝜑)
86, 7sylbi 217 . 2 (∀𝑦𝑥 [𝑦 / 𝑥]𝜑𝜑)
98setinds 35779 1 𝜑
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 206  wnf 1783  [wsb 2064  wral 3061  [wsbc 3788
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2007  ax-8 2110  ax-9 2118  ax-10 2141  ax-11 2157  ax-12 2177  ax-ext 2708  ax-rep 5279  ax-sep 5296  ax-nul 5306  ax-pr 5432  ax-un 7755  ax-reg 9632  ax-inf2 9681
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3or 1088  df-3an 1089  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2065  df-mo 2540  df-eu 2569  df-clab 2715  df-cleq 2729  df-clel 2816  df-nfc 2892  df-ne 2941  df-ral 3062  df-rex 3071  df-reu 3381  df-rab 3437  df-v 3482  df-sbc 3789  df-csb 3900  df-dif 3954  df-un 3956  df-in 3958  df-ss 3968  df-pss 3971  df-nul 4334  df-if 4526  df-pw 4602  df-sn 4627  df-pr 4629  df-op 4633  df-uni 4908  df-iun 4993  df-br 5144  df-opab 5206  df-mpt 5226  df-tr 5260  df-id 5578  df-eprel 5584  df-po 5592  df-so 5593  df-fr 5637  df-we 5639  df-xp 5691  df-rel 5692  df-cnv 5693  df-co 5694  df-dm 5695  df-rn 5696  df-res 5697  df-ima 5698  df-pred 6321  df-ord 6387  df-on 6388  df-lim 6389  df-suc 6390  df-iota 6514  df-fun 6563  df-fn 6564  df-f 6565  df-f1 6566  df-fo 6567  df-f1o 6568  df-fv 6569  df-ov 7434  df-om 7888  df-2nd 8015  df-frecs 8306  df-wrecs 8337  df-recs 8411  df-rdg 8450
This theorem is referenced by:  setinds2  35781
  Copyright terms: Public domain W3C validator