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| Mirrors > Home > ILE Home > Th. List > djurf1o | GIF version | ||
| Description: The right injection function on all sets is one to one and onto. (Contributed by Jim Kingdon, 22-Jun-2022.) |
| Ref | Expression |
|---|---|
| djurf1o | ⊢ inr:V–1-1-onto→({1o} × V) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1oex 6668 | . 2 ⊢ 1o ∈ V | |
| 2 | df-inr 7352 | . 2 ⊢ inr = (𝑥 ∈ V ↦ 〈1o, 𝑥〉) | |
| 3 | 1, 2 | djuf1olem 7357 | 1 ⊢ inr:V–1-1-onto→({1o} × V) |
| Colors of variables: wff set class |
| Syntax hints: Vcvv 2815 {csn 3694 × cxp 4752 –1-1-onto→wf1o 5356 1oc1o 6653 inrcinr 7350 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 |
| This theorem depends on definitions: df-bi 117 df-3an 1007 df-tru 1401 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ral 2527 df-rex 2528 df-v 2817 df-sbc 3046 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-pw 3676 df-sn 3700 df-pr 3701 df-op 3703 df-uni 3920 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-1st 6347 df-2nd 6348 df-1o 6660 df-inr 7352 |
| This theorem is referenced by: casefun 7389 caseinl 7395 caseinr 7396 endjusym 7400 dju1p1e2 7513 |
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