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Theorem mvtss 32913
Description: The set of variable typecodes is a subset of all typecodes. (Contributed by Mario Carneiro, 18-Jul-2016.)
Hypotheses
Ref Expression
mvtss.f 𝐹 = (mVT‘𝑇)
mvtss.k 𝐾 = (mTC‘𝑇)
Assertion
Ref Expression
mvtss (𝑇 ∈ mFS → 𝐹𝐾)

Proof of Theorem mvtss
StepHypRef Expression
1 mvtss.f . . 3 𝐹 = (mVT‘𝑇)
2 eqid 2798 . . 3 (mType‘𝑇) = (mType‘𝑇)
31, 2mvtval 32860 . 2 𝐹 = ran (mType‘𝑇)
4 eqid 2798 . . . 4 (mVR‘𝑇) = (mVR‘𝑇)
5 mvtss.k . . . 4 𝐾 = (mTC‘𝑇)
64, 5, 2mtyf2 32911 . . 3 (𝑇 ∈ mFS → (mType‘𝑇):(mVR‘𝑇)⟶𝐾)
76frnd 6494 . 2 (𝑇 ∈ mFS → ran (mType‘𝑇) ⊆ 𝐾)
83, 7eqsstrid 3963 1 (𝑇 ∈ mFS → 𝐹𝐾)
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1538  wcel 2111  wss 3881  ran crn 5520  cfv 6324  mVRcmvar 32821  mTypecmty 32822  mVTcmvt 32823  mTCcmtc 32824  mFScmfs 32836
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2770  ax-sep 5167  ax-nul 5174  ax-pow 5231  ax-pr 5295  ax-un 7441
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-ex 1782  df-nf 1786  df-sb 2070  df-mo 2598  df-eu 2629  df-clab 2777  df-cleq 2791  df-clel 2870  df-nfc 2938  df-ral 3111  df-rex 3112  df-rab 3115  df-v 3443  df-sbc 3721  df-dif 3884  df-un 3886  df-in 3888  df-ss 3898  df-nul 4244  df-if 4426  df-sn 4526  df-pr 4528  df-op 4532  df-uni 4801  df-br 5031  df-opab 5093  df-mpt 5111  df-id 5425  df-xp 5525  df-rel 5526  df-cnv 5527  df-co 5528  df-dm 5529  df-rn 5530  df-res 5531  df-ima 5532  df-iota 6283  df-fun 6326  df-fn 6327  df-f 6328  df-fv 6332  df-mvt 32845  df-mfs 32856
This theorem is referenced by: (None)
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