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Theorem lmimfn 21184
Description: Lemma for module isomorphisms. (Contributed by Stefan O'Rear, 23-Aug-2015.)
Assertion
Ref Expression
lmimfn LMIso Fn (LMod × LMod)

Proof of Theorem lmimfn
Dummy variables 𝑠 𝑡 𝑔 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-lmim 21181 . 2 LMIso = (𝑠 ∈ LMod, 𝑡 ∈ LMod ↦ {𝑔 ∈ (𝑠 LMHom 𝑡) ∣ 𝑔:(Base‘𝑠)–1-1-onto→(Base‘𝑡)})
2 ovex 7456 . . 3 (𝑠 LMHom 𝑡) ∈ V
32rabex 5314 . 2 {𝑔 ∈ (𝑠 LMHom 𝑡) ∣ 𝑔:(Base‘𝑠)–1-1-onto→(Base‘𝑡)} ∈ V
41, 3fnmpoi 8076 1 LMIso Fn (LMod × LMod)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  {crab 3419   × cxp 5664   Fn wfn 6538  1-1-ontowf1o 6542  cfv 6543  (class class class)co 7423  Basecbs 17294  LModclmod 21018   LMHom clmhm 21177   LMIso clmim 21178
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-10 2179  ax-11 2195  ax-12 2216  ax-ext 2738  ax-sep 5262  ax-nul 5274  ax-pr 5409  ax-un 7745
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2570  df-eu 2600  df-clab 2745  df-cleq 2758  df-clel 2841  df-nfc 2915  df-ne 2962  df-ral 3083  df-rex 3093  df-rab 3420  df-v 3460  df-sbc 3748  df-csb 3857  df-dif 3911  df-un 3913  df-in 3915  df-ss 3925  df-nul 4290  df-if 4493  df-pw 4569  df-sn 4595  df-pr 4597  df-op 4601  df-uni 4878  df-iun 4963  df-br 5115  df-opab 5179  df-mpt 5198  df-id 5561  df-xp 5672  df-rel 5673  df-cnv 5674  df-co 5675  df-dm 5676  df-rn 5677  df-res 5678  df-ima 5679  df-iota 6499  df-fun 6545  df-fn 6546  df-f 6547  df-fv 6551  df-ov 7426  df-oprab 7427  df-mpo 7428  df-1st 7995  df-2nd 7996  df-lmim 21181
This theorem is used by:  brlmic  21226
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