.Xcompose

# Find proper key names here:
# https://www.x.org/releases/X11R7.7/doc/libX11/i18n/compose/el_GR.UTF-8.html

<Multi_key> <A> <l>          : "A" U0391 # GREEK CAPITAL LETTER ALPHA
<Multi_key> <a> <l>       	 : "α" U03B1 # GREEK SMALL LETTER ALPHA
<Multi_key> <B> <e>          : "B" U0392 # GREEK CAPITAL LETTER BETA
<Multi_key> <b> <e>          : "β" U03B2 # GREEK SMALL LETTER BETA
<Multi_key> <G> <a>          : "Γ" U0393 # GREEK CAPITAL LETTER GAMMA
<Multi_key> <g> <a>          : "γ" U03B3 # GREEK SMALL LETTER GAMMA
<Multi_key> <D> <e>          : "Δ" U0394 # GREEK CAPITAL LETTER DELTA
<Multi_key> <d> <e>          : "δ" U03B4 # GREEK SMALL LETTER DELTA
<Multi_key> <E> <p>          : "ε" U0395 # GREEK CAPITAL LETTER EPSILON
<Multi_key> <e> <p>          : "ϵ" U03B5 # GREEK SMALL LETTER EPSILON
<Multi_key> <Z> <e>          : "Z" U0396 # GREEK CAPITAL LETTER ZETA
<Multi_key> <z> <e>          : "ζ" U03B6 # GREEK SMALL LETTER ZETA
<Multi_key> <E> <t>          : "H" U0397 # GREEK CAPITAL LETTER ETA
<Multi_key> <e> <t>          : "η" U03B7 # GREEK SMALL LETTER ETA
<Multi_key> <T> <h>          : "Θ" U0398 # GREEK CAPITAL LETTER THETA
<Multi_key> <t> <h>          : "θ" U03B8 # GREEK SMALL LETTER THETA
<Multi_key> <I> <o>          : "I" U0399 # GREEK CAPITAL LETTER IOTA
<Multi_key> <i> <o>          : "ι" U03B9 # GREEK SMALL LETTER IOTA
<Multi_key> <K> <a>          : "K" U039A # GREEK CAPITAL LETTER KAPPA
<Multi_key> <k> <a>          : "κ" U03BA # GREEK SMALL LETTER KAPPA
<Multi_key> <L> <a>          : "Λ" U039B # GREEK CAPITAL LETTER LAMBDA
<Multi_key> <l> <a>          : "λ" U03BB # GREEK SMALL LETTER LAMBDA
<Multi_key> <M> <u>          : "M" U039C # GREEK CAPITAL LETTER MU
<Multi_key> <m> <u>          : "μ" U03BC # GREEK SMALL LETTER MU
<Multi_key> <N> <u>          : "N" U039D # GREEK CAPITAL LETTER NU
<Multi_key> <n> <u>          : "ν" U03BD # GREEK SMALL LETTER NU
<Multi_key> <X> <i>          : "Ξ" U039E # GREEK CAPITAL LETTER XI
<Multi_key> <x> <i>          : "ξ" U03BE # GREEK SMALL LETTER XI
# <Multi_key> <O> <m>          : "O" U039F # GREEK CAPITAL LETTER OMICRON
# <Multi_key> <o> <m>          : "o" U03BF # GREEK SMALL LETTER OMICRON
<Multi_key> <P> <i>          : "Π" U03A0 # GREEK CAPITAL LETTER PI
<Multi_key> <p> <i>          : "π" U03C0 # GREEK SMALL LETTER PI
<Multi_key> <R> <h>          : "P" U03A1 # GREEK CAPITAL LETTER RHO
<Multi_key> <r> <h>          : "ρ" U03C1 # GREEK SMALL LETTER RHO
<Multi_key> <S> <i>          : "Σ" U03A3 # GREEK CAPITAL LETTER SIGMA
<Multi_key> <s> <i>          : "σ" U03C3 # GREEK SMALL LETTER SIGMA
<Multi_key> <T> <a>          : "T" U03A4 # GREEK CAPITAL LETTER TAU
<Multi_key> <t> <a>          : "τ" U03C4 # GREEK SMALL LETTER TAU
<Multi_key> <U> <p>          : "ϒ" U03A5 # GREEK CAPITAL LETTER UPSILON
<Multi_key> <u> <p>          : "υ" U03C5 # GREEK SMALL LETTER UPSILON
<Multi_key> <P> <h>          : "Φ" U03A6 # GREEK CAPITAL LETTER PHI
<Multi_key> <p> <H>          : "ϕ" U03C6 # GREEK SMALL LETTER PHI
<Multi_key> <p> <h>          : "φ"
<Multi_key> <C> <h>          : "X" U03A7 # GREEK CAPITAL LETTER CHI
<Multi_key> <c> <h>          : "χ" U03C7 # GREEK SMALL LETTER CHI
<Multi_key> <P> <s>          : "Ψ" U03A8 # GREEK CAPITAL LETTER PSI
<Multi_key> <p> <s>          : "ψ" U03C8 # GREEK SMALL LETTER PSI
<Multi_key> <O> <m>          : "Ω" U03A9 # GREEK CAPITAL LETTER OMEGA
<Multi_key> <o> <m>          : "ω" U03C9 # GREEK SMALL LETTER OM

<Multi_key> <n> <a>          : "∇" U2207  # NABLA
<Multi_key> <i> <n> <f>      : "∞" U221E # infinity
<Multi_key> <p> <d>          : "∂" U2202 # partial differential
<Multi_key> <t> <e>          : "gaga" # partial differential

<Multi_key> <o> <plus> 			 : "⊕" U2295
<Multi_key> <o> <x>          : "⊗"

<Multi_key> <equal> <equal> <equal> : "≡" U2261
<Multi_key> <period>         : "≥"
<Multi_key> <comma>          : "≤"
<Multi_key> <numbersign>     : "∼"
<Multi_key> <a> <p> <p> <r> <o> <x> : "≈"
<Multi_key> <a> <asciitilde> : "∝" U221D
<Multi_key> <minus> <plus> : "∓" U2213

# Logic
<Multi_key> <a> <s> <s> <e> <r> <t>: "⊢"
<Multi_key> <e> <x> <i> <s> <t>: "∃"
<Multi_key> <a> <n> <y>: "∀"
<Multi_key> <n> <e> <g>: "⌐"
<Multi_key> <o> <r>: "∨"
<Multi_key> <a> <n> <d>: "∧"

# Sets
<Multi_key> <i> <n> <space> : "∈ "
<Multi_key> <c> <a> <p> "∩"
<Multi_key> <c> <u> <p> : "∪"
<Multi_key> <n> <i> <n>: "∉"
<Multi_key> <i> <n> <c> <l>: "⊂"

<Multi_key> <bracketleft>: "⟨"
<Multi_key> <bracketright>: "⟩"

# Arrows
# <Multi_key> <less> <minus> <greater> : "↔"
# <Multi_key> <less> <equal> <greater> : "⇔"
# <Multi_key> <less> <minus> <minus> <greater> : "←→"
<Multi_key> <i> <f> <f> : "⟺"

<Multi_key> <g> <e> <t> <s>: "←"
<Multi_key> <t> <o>: "→"

<Multi_key> <minus> <greater> : "⟶" 
<Multi_key> <less> <minus>: "⟵"
<Multi_key> <equal> <greater> : "⇒" 
<Multi_key> <less> <equal> : "⇐" 
<Multi_key> <equal> <equal> <greater> : "⇒"
<Multi_key> <less> <equal> <equal> : "⇐" 

# Big symbols
<Multi_key> <i> <n> <t>: "∫"
<Multi_key> <s> <u> <m>: "∑"
<Multi_key> <p> <r> <o> <d>: "∏"

# Mathbb
<Multi_key> <R> <R> : "ℝ"
<Multi_key> <C> <C> : "ℂ"
<Multi_key> <Z> <Z> : "ℤ"
<Multi_key> <N> <N> : "ℕ"
<Multi_key> <Q> <Q> : "ℚ"
<Multi_key> <K> <K> : "𝕂"
<Multi_key> <H> <H> : "ℍ"
<Multi_key> <1> <1> : "𝟙"
<Multi_key> <E> <E> : "𝔼"
<Multi_key> <P> <P> : "ℙ"

<Multi_key> <q> <e> <d> : "□"