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Theorem oprprc1 3984
Description: The value of an operation when the first argument is a proper class. Note: this theorem is dependent on our particular definitions of operation value, function value, and ordered pair.
Hypothesis
Ref Expression
oprprc1.1 |- Rel dom F
Assertion
Ref Expression
oprprc1 |- (-. A e. V -> (AFB) = (/))

Proof of Theorem oprprc1
StepHypRef Expression
1 df-br 2620 . . . . 5 |- (Adom F B <-> <.A, B>. e. dom F)
2 oprprc1.1 . . . . . 6 |- Rel dom F
32brrelexi 3208 . . . . 5 |- (Adom F B -> A e. V)
41, 3sylbir 201 . . . 4 |- (<.A, B>. e. dom F -> A e. V)
54con3i 98 . . 3 |- (-. A e. V -> -. <.A, B>. e. dom F)
6 ndmfv 3745 . . 3 |- (-. <.A, B>. e. dom F -> (F` <.A, B>.) = (/))
75, 6syl 10 . 2 |- (-. A e. V -> (F` <.A, B>.) = (/))
8 df-opr 3965 . 2 |- (AFB) = (F` <.A, B>.)
97, 8syl5eq 1519 1 |- (-. A e. V -> (AFB) = (/))
Colors of variables: wff set class
Syntax hints:  -. wn 2   -> wi 3   = wceq 956   e. wcel 958  Vcvv 1811  (/)c0 2280  <.cop 2411   class class class wbr 2619  dom cdm 3170  Rel wrel 3175  ` cfv 3182  (class class class)co 3963
This theorem is referenced by:  ndmoprcl 4044  mapsspw 4341  ndmioo 6370  elfzlem 6473  hmeogrp 10538
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-ral 1649  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-uni 2504  df-br 2620  df-opab 2667  df-xp 3184  df-rel 3185  df-cnv 3186  df-dm 3188  df-rn 3189  df-res 3190  df-ima 3191  df-fv 3198  df-opr 3965
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