Theorem rnresss 6023

Description: The range of a restriction is a subset of the whole range. (Contributed by Glauco Siliprandi, 17-Aug-2020.)

Assertion

Ref	Expression
rnresss	⊢ ran (𝐴 ↾ 𝐵) ⊆ ran 𝐴

Proof of Theorem rnresss

Step	Hyp	Ref	Expression
1		resss 6008	. 2 ⊢ (𝐴 ↾ 𝐵) ⊆ 𝐴
2	1	rnssi 5934	1 ⊢ ran (𝐴 ↾ 𝐵) ⊆ ran 𝐴

This proof depends on syntax axioms:   ⊆ wss 3900  ran crn 5659   ↾ cres 5660

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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-ext 2735

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-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-br 5109  df-opab 5174  df-cnv 5666  df-dm 5668  df-rn 5669  df-res 5670

This theorem is used by:  imadifssranOLD  6221  imadifssranOLDOLD  6222  smores  8398  oniso  28714  gsumhashmul  33727  esplyind  34318  nvo3  38230  nelrnres  46475  limsupvaluz2  47021  supcnvlimsup  47023  limsupgtlem  47060  sge0split  47692