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| Mirrors > Home > MPE Home > Th. List > brgic | Structured version Visualization version GIF version | ||
| Description: The relation "is isomorphic to" for groups. (Contributed by Stefan O'Rear, 25-Jan-2015.) |
| Ref | Expression |
|---|---|
| brgic | ⊢ (𝑅 ≃𝑔 𝑆 ↔ (𝑅 GrpIso 𝑆) ≠ ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | df-gic 19474 | . 2 ⊢ ≃𝑔 = (◡ GrpIso “ (V ∖ 1o)) | |
| 2 | gimfn 19475 | . 2 ⊢ GrpIso Fn (Grp × Grp) | |
| 3 | 1, 2 | brwitnlem 8515 | 1 ⊢ (𝑅 ≃𝑔 𝑆 ↔ (𝑅 GrpIso 𝑆) ≠ ∅) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: ↔ wb 209 ≠ wne 2956 ∅c0 4279 class class class wbr 5103 × cxp 5649 (class class class)co 7420 Grpcgrp 19144 GrpIso cgim 19471 ≃𝑔 cgic 19472 |
| 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 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-sep 5249 ax-nul 5260 ax-pr 5391 ax-un 7751 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-ral 3078 df-rex 3088 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-id 5546 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-suc 6368 df-iota 6494 df-fun 6540 df-fn 6541 df-f 6542 df-fv 6546 df-ov 7423 df-oprab 7424 df-mpo 7425 df-1st 8001 df-2nd 8002 df-1o 8476 df-gim 19473 df-gic 19474 |
| This theorem is used by: brgici 19485 giclcl 19487 gicrcl 19488 gicsym 19489 gictr 19490 gicen 19492 gicsubgen 19493 giccyg 20114 gicabl 44100 |
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