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Theorem intop 49009
Description: An internal (binary) operation for a set. (Contributed by AV, 20-Jan-2020.)
Assertion
Ref Expression
intop ( ∈ (𝑀 intOp 𝑁) → :(𝑀 × 𝑀)⟶𝑁)

Proof of Theorem intop
Dummy variables 𝑚 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-intop 49005 . . 3 intOp = (𝑚 ∈ V, 𝑛 ∈ V ↦ (𝑛m (𝑚 × 𝑚)))
21elmpocl 7664 . 2 ( ∈ (𝑀 intOp 𝑁) → (𝑀 ∈ V ∧ 𝑁 ∈ V))
3 intopval 49008 . . . 4 ((𝑀 ∈ V ∧ 𝑁 ∈ V) → (𝑀 intOp 𝑁) = (𝑁m (𝑀 × 𝑀)))
43eleq2d 2852 . . 3 ((𝑀 ∈ V ∧ 𝑁 ∈ V) → ( ∈ (𝑀 intOp 𝑁) ↔ ∈ (𝑁m (𝑀 × 𝑀))))
5 elmapi 8855 . . 3 ( ∈ (𝑁m (𝑀 × 𝑀)) → :(𝑀 × 𝑀)⟶𝑁)
64, 5biimtrdi 256 . 2 ((𝑀 ∈ V ∧ 𝑁 ∈ V) → ( ∈ (𝑀 intOp 𝑁) → :(𝑀 × 𝑀)⟶𝑁))
72, 6mpcom 39 1 ( ∈ (𝑀 intOp 𝑁) → :(𝑀 × 𝑀)⟶𝑁)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wa 401  wcel 2146  Vcvv 3458   × cxp 5664  wf 6539  (class class class)co 7423  m cmap 8833   intOp cintop 49002
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-pow 5341  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-map 8835  df-intop 49005
This theorem is used by: (None)
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