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Theorem 0ima 3421
Description: Image under the empty relation. (Contributed by FL, 11-Jan-2007.)
Assertion
Ref Expression
0ima |- ((/)"A) = (/)

Proof of Theorem 0ima
StepHypRef Expression
1 imassrn 3415 . . 3 |- ((/)"A) (_ ran (/)
2 rn0 3355 . . 3 |- ran (/) = (/)
31, 2sseqtr 2093 . 2 |- ((/)"A) (_ (/)
4 0ss 2301 . 2 |- (/) (_ ((/)"A)
53, 4eqssi 2078 1 |- ((/)"A) = (/)
Colors of variables: wff set class
Syntax hints:   = wceq 956  (/)c0 2280  ran crn 3171  "cima 3173
This theorem is referenced by:  cnconst 7780
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 962  ax-gen 963  ax-8 964  ax-10 966  ax-11 967  ax-12 968  ax-13 969  ax-14 970  ax-17 971  ax-4 973  ax-5o 975  ax-6o 978  ax-9o 1123  ax-10o 1140  ax-16 1210  ax-11o 1218  ax-ext 1459  ax-sep 2703  ax-pow 2742  ax-pr 2779
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-ex 981  df-sb 1172  df-eu 1382  df-mo 1383  df-clab 1464  df-cleq 1469  df-clel 1472  df-ne 1587  df-rex 1650  df-v 1812  df-dif 2049  df-un 2050  df-in 2051  df-ss 2053  df-nul 2281  df-pw 2402  df-sn 2412  df-pr 2413  df-op 2416  df-br 2620  df-opab 2667  df-xp 3184  df-cnv 3186  df-dm 3188  df-rn 3189  df-res 3190  df-ima 3191
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