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Theorem uzind4ALT 9411
Description: Induction on the upper set of integers that starts at an integer 𝑀. The last four hypotheses give us the substitution instances we need; the first two are the basis and the induction step. Either uzind4 9410 or uzind4ALT 9411 may be used; see comment for nnind 8760. (Contributed by NM, 7-Sep-2005.) (New usage is discouraged.) (Proof modification is discouraged.)
Hypotheses
Ref Expression
uzind4ALT.5 (𝑀 ∈ ℤ → 𝜓)
uzind4ALT.6 (𝑘 ∈ (ℤ𝑀) → (𝜒𝜃))
uzind4ALT.1 (𝑗 = 𝑀 → (𝜑𝜓))
uzind4ALT.2 (𝑗 = 𝑘 → (𝜑𝜒))
uzind4ALT.3 (𝑗 = (𝑘 + 1) → (𝜑𝜃))
uzind4ALT.4 (𝑗 = 𝑁 → (𝜑𝜏))
Assertion
Ref Expression
uzind4ALT (𝑁 ∈ (ℤ𝑀) → 𝜏)
Distinct variable groups:   𝑗,𝑁   𝜓,𝑗   𝜒,𝑗   𝜃,𝑗   𝜏,𝑗   𝜑,𝑘   𝑗,𝑘,𝑀
Allowed substitution hints:   𝜑(𝑗)   𝜓(𝑘)   𝜒(𝑘)   𝜃(𝑘)   𝜏(𝑘)   𝑁(𝑘)

Proof of Theorem uzind4ALT
StepHypRef Expression
1 uzind4ALT.1 . 2 (𝑗 = 𝑀 → (𝜑𝜓))
2 uzind4ALT.2 . 2 (𝑗 = 𝑘 → (𝜑𝜒))
3 uzind4ALT.3 . 2 (𝑗 = (𝑘 + 1) → (𝜑𝜃))
4 uzind4ALT.4 . 2 (𝑗 = 𝑁 → (𝜑𝜏))
5 uzind4ALT.5 . 2 (𝑀 ∈ ℤ → 𝜓)
6 uzind4ALT.6 . 2 (𝑘 ∈ (ℤ𝑀) → (𝜒𝜃))
71, 2, 3, 4, 5, 6uzind4 9410 1 (𝑁 ∈ (ℤ𝑀) → 𝜏)
Colors of variables: wff set class
Syntax hints:  wi 4  wb 104   = wceq 1332  wcel 1481  cfv 5131  (class class class)co 5782  1c1 7645   + caddc 7647  cz 9078  cuz 9350
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-in1 604  ax-in2 605  ax-io 699  ax-5 1424  ax-7 1425  ax-gen 1426  ax-ie1 1470  ax-ie2 1471  ax-8 1483  ax-10 1484  ax-11 1485  ax-i12 1486  ax-bndl 1487  ax-4 1488  ax-13 1492  ax-14 1493  ax-17 1507  ax-i9 1511  ax-ial 1515  ax-i5r 1516  ax-ext 2122  ax-sep 4054  ax-pow 4106  ax-pr 4139  ax-un 4363  ax-setind 4460  ax-cnex 7735  ax-resscn 7736  ax-1cn 7737  ax-1re 7738  ax-icn 7739  ax-addcl 7740  ax-addrcl 7741  ax-mulcl 7742  ax-addcom 7744  ax-addass 7746  ax-distr 7748  ax-i2m1 7749  ax-0lt1 7750  ax-0id 7752  ax-rnegex 7753  ax-cnre 7755  ax-pre-ltirr 7756  ax-pre-ltwlin 7757  ax-pre-lttrn 7758  ax-pre-ltadd 7760
This theorem depends on definitions:  df-bi 116  df-3or 964  df-3an 965  df-tru 1335  df-fal 1338  df-nf 1438  df-sb 1737  df-eu 2003  df-mo 2004  df-clab 2127  df-cleq 2133  df-clel 2136  df-nfc 2271  df-ne 2310  df-nel 2405  df-ral 2422  df-rex 2423  df-reu 2424  df-rab 2426  df-v 2691  df-sbc 2914  df-dif 3078  df-un 3080  df-in 3082  df-ss 3089  df-pw 3517  df-sn 3538  df-pr 3539  df-op 3541  df-uni 3745  df-int 3780  df-br 3938  df-opab 3998  df-mpt 3999  df-id 4223  df-xp 4553  df-rel 4554  df-cnv 4555  df-co 4556  df-dm 4557  df-rn 4558  df-res 4559  df-ima 4560  df-iota 5096  df-fun 5133  df-fn 5134  df-f 5135  df-fv 5139  df-riota 5738  df-ov 5785  df-oprab 5786  df-mpo 5787  df-pnf 7826  df-mnf 7827  df-xr 7828  df-ltxr 7829  df-le 7830  df-sub 7959  df-neg 7960  df-inn 8745  df-n0 9002  df-z 9079  df-uz 9351
This theorem is referenced by: (None)
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